Problems and methods in programmed learning: The Proceedings of the 1967 APL/NCPL Birmingham Conference Part 4.
Citazione stile Chigago Style (17a edizione)Problems and Methods in Programmed Learning: The Proceedings of the 1967 APL/NCPL Birmingham Conference Part 4.
Citatione MLA (9a ed.)Problems and Methods in Programmed Learning: The Proceedings of the 1967 APL/NCPL Birmingham Conference Part 4.
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