The psychology of efficiency / by Henry A. Ruger.

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Bibliographic Details
Main Author:	Ruger, Henry Alford, 1872-1947
Format:	Book
Language:	English
Published:	New York : Teachers College, Columbia University, 1926.
Subjects:	Ability. Puzzles.

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Holdings details from PASCAL Offsite
Call Number:	BF21 .A7
BF21 .A7	Available Place a Hold