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|aSaettler, L. Paul.
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|aThe evolution of American educational technology|c/ Paul Saettler.
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|aEnglewood, Colo.|b: Libraries Unlimited|c, 1990.
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|axxviii, 570 p.|b: ill.|c; 26 cm.
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|aRev. ed. of: A history of instructional technology / L. Paul Saettler. 1967, c1968.
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|aIncludes bibliographical references and index.
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|aEducational technology|z--United States|x--History.
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|aSaettler, L. Paul.|t. History of instructional technology.
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