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By Lumsdaine, Arthur A..
[Washington] Dept. of Audio-Visual Instruction, National Education Association 1960 .
724 p. , Includes index.

New York W.H. Freeman 1989 .
xi, 343 p. 24 cm..
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By Taber, Julian I..
México Editorial Trillas 1974 .
209 p. , Translation of : Learning and programmed instruction.