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Book
Author Cram, David.

Title Explaining t̀eaching machines' and programming / by David Cram
Published San Francisco, Calif : Fearon Publishers, [1961]
©1961

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Description vii, 86 pages : illustrations ; 22 cm
Bibliography Bibliography: page 82
Subject Teaching machines.
Programmed instruction.
Teaching machines -- Programming.
LC no. 61065492