The human factor in innovation and productivity [microform] : hearings (including the record of a seminar sponsored by the American Association for the Advancement of Science on July 28, 1981) before the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, September 9, 10, 11, 15, 16, 17, 1981.

"No. 51."

Measurement of the human factor in industry, To be presented at the national conference of the Western Efficiency Society, May 22-25, 1917.

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The human factor in mining reclamation /

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The processes of history

CONTENTS.--The nature and scope of the inquiry.--The geographical factor in history.--The human factor in history.--Method and results.

Social progress and the Darwinian Theory; a study of force as a factor in human relations,

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