1.
Evolution of American Educational Technolgy
by Saettler, Paul
ISBN: 9781593111397
List Price: $39.99
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3.
Instructional Technology and Programmed Instruction
by Saettler, Paul
ISBN: 9780829011128
List Price: $6.95
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Evolution of American Educational Technology
by Saettler, L. Paul
ISBN: 9780805840575
List Price: $55.01
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Evolution of American Educational Technology
by Saettler, L. Paul
ISBN: 9780805840582
List Price: $22.01