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PSI , the keller plan handbook : essays on a personalized system of instruction / Fred S.Keller, J. Gilmour Sherman ; with a contrib ution by Carolina Martuscell Bori.

By:

Keller, Fred Simmons, 1899-

Contributor(s):

Sherman, J. Gilmour

Material type: Text

Text

TextSeries: The Benjamin PSI series ; Publication details: Menlo Park , Calif : W.A Benjamin Inc. , 1974.Description: xii, 99 p. ; 24 cmISBN:

0805352368 (pbk.)

Subject(s):

DDC classification:

371.394

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Includes index.

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