de

Metal-metal cooperative bond activation by heterobimetallic alkyl, aryl, and acetylide PtII/CuI complexes

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC00646G, Edge Article
Open Access
Shubham Deolka, Orestes Rivada, Sandra L. Aristizábal, Robert R. Fayzullin, Shrinwantu Pal, Kyoko Nozaki, Eugene Khaskin, Julia R Khusnutdinova
We report selective formation of heterobimetallic PtII/CuI complexes that demonstrate how facile bond activation processes can be achieved by altering reactivity of common organoplatinum compounds through their interaction with another...
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de

Molecular recognition of pyrazine N,N'-dioxide using aryl extended calix[4]pyrroles

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01496F, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Chenxing Guo, Hu Wang, Vincent M. Lynch, Xiaofan Ji, Zachariah A. Page, Jonathan L. Sessler
The molecular recognition of pyrazine N,N'-dioxide by aryl extended 'two-walled' calix[4]pyrrole-based receptors is seen to stabilise two different binding modes in the solid state.
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de

Stereo-controlled anti-hydromagnesiation of aryl alkynes by magnesium hydrides

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01773F, Edge Article
Open Access
Bin Wang, Derek Yiren Ong, Yihang Li, Jia Hao Pang, Kohei Watanabe, Ryo TAKITA, Shunsuke Chiba
A concise protocol for anti-hydromagnesiation of aryl alkynes was established using 1:1 molar combination of sodium hydride (NaH) and magnesium iodide (MgI2) without the aid of any transition metal catalysts....
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de

Ring-Fused Cyclobutanes via Cycloisomerization of Alkylidenecyclopropane Acylsilanes

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC02224A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Erick M Carreira, Sarah S Eichenberger, Moritz Hönig, Matthieu JR Richter, Renana Gershoni-Poranne
A novel Lewis acid-catalyzed cycloisomerization of alkylidenecyclopropane acylsilanes is disclosed. The readily available starting materials participate in tandem Prins addition/ring expansion/1,2-silyl shift to grant access to bicyclo[4.2.0]octanes and bicyclo[3.2.0]heptanes, which...
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de

Protease-Responsive Mass Barcoded Nanotranslaters for Simultaneously Quantifying the Intracellular Activity of Cascaded Caspases in Apoptosis Pathways

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01534B, Edge Article
Open Access
Hongmei Xu, Xiaodan Huang, Zhenzhen Zhang, xuemeng zhang, Qianhao Min, Jun-Jie Zhu
Quantitatively delineating the activation network of multiple proteases that participate in cellular processes is highly essential to understanding physiological and pathological states of cells. In this study, protease-responsive mass barcoded...
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de

Regioselective B(3,4)–H Arylation of o-Carboranes by Weak Amide Coordination at Room Temperature

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01515F, Edge Article
Open Access
Yu-Feng Liang, Long Yang, Becky Bongsuiru Jei, Rositha Kuniyil, Lutz Ackermann
Palladium-catalyzed regioselective di- or mono-arylation of o-carboranes was achieved by weakly coordinating amides at room temperature. Thereby, a series of B(3,4)-diarylated and B(3)-monoarylated o-carboranes anchored with valuable functional groups were...
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de

Rapidly Self-deoxygenating Controlled Radical Polymerization in water via in-situ Disproportionation of Cu(I)

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01512A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
David Haddleton, Evelina Liarou, Yisong Han, Marc Walker, Ana Sanchez
The first rapidly self-deoxygenating Cu-RDRP in aqueous media is investigated. The disproportionation of Cu(I)/Me6Tren in water towards Cu(II) and highly reactive Cu(0) leads to O2-free reaction environments within the first...
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de

Structural trends in the dehydrogenation selectivity of palladium alloys

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00875C, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Stephen C. Purdy, Ranga Rohit Seemakurthi, Garrett M. Mitchell, Mark Davidson, Brooke A. Lauderback, Siddharth Deshpande, Zhenwei Wu, Evan C. Wegener, Jeffrey Greeley, Jeffrey T. Miller
Alloying is well-known to improve the dehydrogenation selectivity of pure metals, but there remains considerable debate about the structural and electronic features of alloy surfaces that give rise to this behavior.
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de

Evolution of pure hydrocarbon hosts: simpler structure, higher performance and universal application in RGB phosphorescent organic light-emitting diodes

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01238F, Edge Article
Open Access
Qiang Wang, Fabien Lucas, Cassandre Quinton, Yang-Kun Qu, Joëlle Rault-Berthelot, Olivier Jeannin, Sheng-Yi Yang, Fan-Cheng Kong, Sarvendra Kumar, Liang-Sheng Liao, Cyril Poriel, Zuo-Quan Jiang
In this work, we propose pure hydrocarbon materials as universal hosts for high-efficiency red, green and blue phosphorescent organic light-emitting diodes.
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de

Recent developments in nickel-catalyzed intermolecular dicarbofunctionalization of alkenes

Chem. Sci., 2020, 11,4287-4296
DOI: 10.1039/C9SC06006E, Minireview
Open Access
Joseph Derosa, Omar Apolinar, Taeho Kang, Van T. Tran, Keary M. Engle
Nickel-catalyzed three-component alkene difunctionalization has rapidly emerged as a powerful tool for forging multiple C–C bonds in a single step.
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de

Redox-responsive supramolecular polymeric networks having double-threaded inclusion complexes

Chem. Sci., 2020, 11,4322-4331
DOI: 10.1039/C9SC05589D, Edge Article
Open Access
Hikaru Aramoto, Motofumi Osaki, Subaru Konishi, Chiharu Ueda, Yuichiro Kobayashi, Yoshinori Takashima, Akira Harada, Hiroyasu Yamaguchi
A hydrogel actuator with a 1:2 host–guest complex controlled by redox stimuli has been developed to realize faster and larger deformation.
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de

An RGB-emitting molecular cocktail for the detection of bacterial fingerprints

Chem. Sci., 2020, 11,4403-4409
DOI: 10.1039/D0SC01704C, Edge Article
Open Access
Sheng Hong, Di-Wei Zheng, Qiu-Ling Zhang, Wei-Wei Deng, Wen-Fang Song, Si-Xue Cheng, Zhi-Jun Sun, Xian-Zheng Zhang
A technique named the Microcolor system was developed to detect microbes and diagnose diseases based on changes in microbiota signatures.
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de

Redox-inactive ions control the redox-activity of molecular vanadium oxides

Chem. Sci., 2020, 11,4450-4455
DOI: 10.1039/D0SC01401J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Simon Greiner, Benjamin Schwarz, Mark Ringenberg, Maximilian Dürr, Ivana Ivanovic-Burmazovic, Maximilian Fichtner, Montaha Anjass, Carsten Streb
The enhanced redox-activity of a molecular vanadium oxide cluster upon functionalization with redox-inert Ca2+ ions is reported together with initial insights into its performance as a lithium ion battery cathode.
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de

A pH ratiometrically responsive surface enhanced resonance Raman scattering probe for tumor acidic margin delineation and image-guided surgery

Chem. Sci., 2020, 11,4397-4402
DOI: 10.1039/D0SC00844C, Edge Article
Open Access
Wenjia Duan, Qi Yue, Ying Liu, Yunfei Zhang, Qinghua Guo, Cong Wang, Shujie Yin, Dandan Fan, Wenjing Xu, Jiexian Zhuang, Jiachao Gong, Xinwei Li, Ruimin Huang, Liang Chen, Silvio Aime, Zhongliang Wang, Jianfeng Feng, Ying Mao, Xiao-Yong Zhang, Cong Li
A novel pH ratiometrically responsive surface-enhanced resonance Raman scattering (SERRS) probe was developed for tumor acidic margin delineation and image-guided surgery.
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de

What is the role of acid–acid interactions in asymmetric phosphoric acid organocatalysis? A detailed mechanistic study using interlocked and non-interlocked catalysts

Chem. Sci., 2020, 11,4381-4390
DOI: 10.1039/D0SC01026J, Edge Article
Open Access
Dennis Jansen, Johannes Gramüller, Felix Niemeyer, Torsten Schaller, Matthias C. Letzel, Stefan Grimme, Hui Zhu, Ruth M. Gschwind, Jochen Niemeyer
Supramolecular acid–acid interactions lead to competing monomeric and dimeric pathways in phosphoric acid catalysis – so that stereoselectivities depend on catalyst concentration.
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de

Intramolecular Csp3–H/C–C bond amination of alkyl azides for the selective synthesis of cyclic imines and tertiary amines

Chem. Sci., 2020, 11,4482-4487
DOI: 10.1039/C9SC05522C, Edge Article
Open Access
Xiaojin Wen, Xinyao Li, Xiao Luo, Weijin Wang, Song Song, Ning Jiao
A novel intramolecular cyclization of alkyl azides for the synthesis of cyclic imines and tertiary amines has been developed. The aliphatic C–H or C–C bond was selectively cleaved with the efficient formation of two C–N single bonds or a CN double bond.
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de

Hydrogen peroxide reduction on single platinum nanoparticles

Chem. Sci., 2020, 11,4416-4421
DOI: 10.1039/D0SC00379D, Edge Article
Open Access
Xin Chang, Christopher Batchelor-McAuley, Richard G. Compton
At the single platinum nanoparticle scale the hydrogen peroxide reduction reaction is a surface limited process.
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de

The structures of ordered defects in thiocyanate analogues of Prussian Blue

Chem. Sci., 2020, 11,4430-4438
DOI: 10.1039/D0SC01246G, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Matthew J. Cliffe, Evan N. Keyzer, Andrew D. Bond, Maxwell A. Astle, Clare P. Grey
We report the structures of six new divalent transition metal hexathiocyanatobismuthate Prussian Blue analogues frameworks, which contain complex ordered defect structures.
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de

Metal-free carbon monoxide-releasing micelles undergo tandem photochemical reactions for cutaneous wound healing

Chem. Sci., 2020, 11,4499-4507
DOI: 10.1039/D0SC00135J, Edge Article
Open Access
Jian Cheng, Bin Zheng, Sheng Cheng, Guoying Zhang, Jinming Hu
Metal-free carbon monoxide-releasing polymers (CORPs) are synthesized via a direct polymerization approach, exhibiting not only improved stability but also accelerated wound healing performance as compared to CORM-3.
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de

Machine-enabled inverse design of inorganic solid materials: promises and challenges

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00594K, Minireview
Open Access
Juhwan Noh, Geun Ho Gu, Sungwon Kim, Yousung Jung
The grand challenge of materials science, discovery of novel materials with target properties, can be greatly accelerated by machine-learned inverse design strategies.
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de

Designing naphthopyran mechanophores with tunable mechanochromic behavior

Chem. Sci., 2020, 11,4525-4530
DOI: 10.1039/D0SC01359E, Edge Article
Open Access
Brooke A. Versaw, Molly E. McFadden, Corey C. Husic, Maxwell J. Robb
Structure–activity relationships for strategic substitution of the naphthopyran mechanophore scaffold enable polymeric materials with tunable mechanochromic behavior.
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de

Redox deracemization of β,γ-alkynyl α-amino esters

Chem. Sci., 2020, 11,4444-4449
DOI: 10.1039/D0SC00944J, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Lu Zhang, Rongxiu Zhu, Aili Feng, Changyin Zhao, Lei Chen, Guidong Feng, Lei Liu
A one-pot deracemization of β,γ-alkynyl α-amino esters consisting of an aerobic oxidation and chiral phosphoric acid-catalyzed asymmetric transfer hydrogenation has been described.
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de

Selective electrochemical reduction of carbon dioxide to ethanol via a relay catalytic platform

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01133A, Edge Article
Open Access
Juan Du, Shaopeng Li, Shulin Liu, Yu Xin, Bingfeng Chen, Huizhen Liu, Buxing Han
The relay catalytic platform is very efficient and selective for CO2 electroreduction to ethanol.
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de

Determination of protein-ligand binding modes using fast multi-dimensional NMR with hyperpolarization

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC00266F, Edge Article
Open Access
Yunyi Wang, Jihyun Kim, Christian Hilty
Elucidation of small molecule-protein interactions provides essential information for understanding biological processes such as cellular signaling, as well as for rational drug development. Here, multi-dimensional NMR with sensitivity enhancement by...
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de

Quinone Methide Dimers Lacking Labile Hydrogen Atoms Are Surprisingly Excellent Radical-Trapping Antioxidants

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC02020F, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Derek A. Pratt, Mark A R Raycroft, Jean-Philippe R Chauvin, Matthew Galliher, Kevin Romero, Corey Stephenson
Hydrogen atom transfer (HAT) is the mechanism by which the vast majority of radical-trapping antioxidants (RTAs), such as hindered phenols, inhibit autoxidation. As such, at least one weak O–H bond...
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de

Regioselective Molybdenum-catalyzed allylic substitution of tertiary allylic electrophiles: methodology development and applications

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01763A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Muhammad Salman, Yaoyao Xu, Shahid Khan, Junjie Zhang, Ajmal Khan
The first molybdenum-catalyzed allylic sulfonylation of tertiary allylic electrophile is described. The method utilizes a readily accesable catalyst (Mo(CO)6/2,2'-bipyridine, both are commercially available) and represent the first example of the...
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de

Vibrational characterization of a diiron bridging hydride complex – a model for hydrogen catalysis

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01290D, Edge Article
Open Access
Leland Bruce Gee, Vladimir Pelmenschikov, Hongxin Wang, Nakul Mishra, Yu-Chiao Liu, Yoshitaka Yoda, Kenji TAMASAKU, Ming-Hsi Chiang, Stephen P Cramer
A diiron complex containing a bridging hydride and a protonated terminal thiolate of the form [(μ,κ2-bdtH)(μ-PPh2)(μ-H)Fe2(CO)5]+ has been investigated through 57Fe nuclear resonance vibrational spectroscopy (NRVS) and interpreted using density...
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de

Direct and quantitative monitoring of catalytic organic reactions under heterogeneous conditions using direct analysis in real time mass spectrometry

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00021C, Edge Article
Open Access
Koichiro Masuda, Shū Kobayashi
A direct and quantitative method for monitoring heterogeneous organic reactions has been developed by using direct analysis in real time mass spectrometry (DART-MS) with an isotope-labeled reaction product as an internal standard.
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de

Sequential C–O decarboxylative vinylation/C–H arylation of cyclic oxalates via a nickel-catalyzed multicomponent radical cascade

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC01471K, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Huan Li, Lei Guo, Xiaoliang Feng, Liping Huo, Shengqing Zhu, Lingling Chu
A selective, sequential C–O decarboxylative vinylation/C–H arylation of cyclic alcohol derivatives enabled by visible-light photoredox/nickel dual catalysis has been described.
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de

The Role of Porphyrin Peripheral Substituents in Determining the Reactivities of Ferrous Nitrosyl Species

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01625J, Edge Article
Open Access
Sk Amanullah, Abhishek Dey
Ferrous nitrosyl {FeNO}7 species are intermediates common to the catalytic cycles of Cd1NiR and CcNiR, two heme-based nitrite reductases (NiR), and its reactivity vary dramatically in these enzymes. The former...
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de

The Endeavor of Vibration-Induced Emission (VIE) for Dynamic Emissions

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01591A, Perspective
Open Access
Zhiyun Zhang, Guangchen Sun, Wei Chen, Jianhua Su, He Tian
Organic chromophores with large Stokes shifts and dual emissions are fascinating because of their fundamental and application interests. Vibration-induced emission (VIE) refers to a tunable multiple fluorescence exhibited by saddle-shaped...
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de

N2Phos – an easily made, highly effective ligand designed for ppm level Pd-catalyzed Suzuki–Miyaura cross couplings in water

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00968G, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Nnamdi Akporji, Ruchita R. Thakore, Margery Cortes-Clerget, Joel Andersen, Evan Landstrom, Donald H. Aue, Fabrice Gallou, Bruce H. Lipshutz
A new, biaryl phosphine-containing ligand, N2Phos, forms a 1 : 1 complex with Pd resulting in an active catalyst at the ppm level for Suzuki–Miyaura couplings in water, enabled by an aqueous micellar medium. Notably, aryl chlorides are shown to be amenable substrates.
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de

Electrochemical Radical Reactions of Alkyl Iodides: A Highly Efficient, Clean, Green Alternative to Tin Reagents

Chem. Sci., 2020, Accepted Manuscript
DOI: 10.1039/D0SC01694B, Edge Article
Open Access
diyuan Li, Tsz-Kan Ma, Reuben J Scott, Jonathan David Wilden
An electrochemical ‘redox-relay’ system has been developed which allows the generation of C-centered radicals. Intermolecular ‘tin-like’ radical reactions can subsequently be conducted under the most benign of conditions. The yields...
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de

Many electronics shops defy DM’s order in Patna

A day after the state home department issued an order allowing certain categories of shops to reopen, some electronics, electrical and vehicle spare parts shops reopened in the city on Thursday.




de

Wife dead, man held on dowry charges in Patna

A 30-year-old man was arrested in Patna after his wife was found dead at their home in Shivpuri under Shastri Nagar police station area on Thursday. The couple, Manish Kumar and Anita Devi, were marred in 2017.




de

UP: 1200 AMU students from Bihar return home

Aligarh Muslim University (AMU) has made arrangement for transportation of students from Bihar by a special train on Friday. Over 1200 students were scheduled to return home after completing their medical screening.




de

Delhi: 2nd 'shramik spl train' leaves for Bihar

The workers were ferried to the New Delhi Railway station mostly in Delhi Transport Corporation (DTC) buses, and in some cases in police vans from shelters homes run by the city government.




de

Bihar gets 5L MT of foodgrains under PMGKAY

The Food Corporation of India (FCI) has supplied around 5.95 lakh metric tonne (MT) of additional foodgrains to Bihar till Thursday under the Pradhan Mantri Garib Kalyan Ann Yojana (PMGKAY) to provide help to people concerned during three months, including the lockdown period owing to Covid-19 pandemic.




de

Bihar youth beaten to death by girlfriend's kin

An 18-year-old youth was held captive and subsequently beaten to death by the family members of a minor girl in a case of honour killing at a village in Vaishali district early on Friday.




de

Who decides the price band of an IPO?

For the announcement of the price band and the bid offer period, working day means all days, excluding all Saturdays, Sundays and public holidays on which commercial banks in Mumbai are open for business.




de

NCDEX gets Sebi go-ahead for Rs 500 crore IPO

The offering comprises a fresh issue aggregating up to Rs 100 crore and an offer for sale of up to 1.44 crore shares.




de

Applied learning design in an online teacher-education course / Jillian J. Downing

Downing, Jillian J., author




de

Photosensitive students and digital media : a survey of educators regarding knowledge and self efficacy / Janene Sproul

Sproul, Janene, author




de

Academic culture : a student's guide to studying at university / Jean Brick, Maria Herke, Deanna Wong ; editor: Laura Davies

Brick, Jean, author




de

International guide to student achievement / edited by John Hattie, Eric M. Anderman




de

Interim report : first steps for improving educational opportunities for Aboriginal and Torres Strait Islander students / House of Representatives Standing Committee on Indigenous Affairs

Australia. Parliament. House of Representatives. Standing Committee on Indigenous Affairs, author, issuing body




de

The value of international education to Australia / prepared by Deloitte Access Economics

Deloitte Access Economics




de

Understanding the University : institution, idea, possibilities / Ronald Barnett

Barnett, Ronald, 1947- author




de

Observation [videorecording] : the developing child / Magna Systems, Inc. ; program producers, Shanta and Milan Herzog ; design and script, Janet Gonzalez-Mena ; editor, Susan Jenkins




de

The inside story [videorecording] : developing children's understanding about their bodies