Steers, Richard M., compiler
Motivation and work behavior
McGraw-Hill, 1991
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Pinder, Craig C.
Work motivation in organizational behavior
Psychology Press, Taylor & Francis Group, 2008
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Steers, Richard M., compiler
Motivation and work behavior
McGraw-Hill , 1983
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Lawler, Edwar E.
Motivation in work organization/ Edward E. Lawler III
Brooks/Cole, 1973
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Ford, Robert N.
Motivation through the work itself / Robert N. Ford
American Management Association, 1969
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