Programmed learning in perspective: A guide to program writing / by C.A. Thomas [and others].
Čikaški stil citiranja (17. izdanje)Programmed Learning in Perspective: A Guide to Program Writing / by C.A. Thomas [and Others].
MLA način citiranja (9. izdanje)Programmed Learning in Perspective: A Guide to Program Writing / by C.A. Thomas [and Others].
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