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- [7] WHAT HAS BEEN DONE, WHAT CAN BE DONE, AND WHAT WILL BE DONE WITH MICROCOMPUTERS IN CHEMICAL EDUCATION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1982, 183 (MAR): : 6 - CINF
- [8] WESTERN SECURITY - WHAT HAS CHANGED - WHAT SHOULD BE DONE ATLANTIC COMMUNITY QUARTERLY, 1981, 19 (02): : 168 - 172
- [10] Cyberbullying in Germany What Has Been Done and What Is Going On ZEITSCHRIFT FUR PSYCHOLOGIE-JOURNAL OF PSYCHOLOGY, 2009, 217 (04): : 222 - 223