Bruce E. Kaufman, Richard A. Beaumont, Roy B. Helfgott, editors

M.E. Sharpe c2003 Issues in work and human resources

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Roy B. Helfgott

Lexington Books c1988 Issues in organization and management series

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Roy B. Helfgott

Random House c1980 2nd ed

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Roy B. Helfgott

Random House c1974 1st ed

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by Richard A. Beaumont, Roy B. Helfgott

Industrial Relations Counselors 1964 Industrial relations monograph no. 24

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Max Hall, editor ; studies by Roy B. Helfgott, W. Eric Gustafson, James M. Hund

Harvard University Press 1959 New York metropolitan region study

: [pbk.]

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Max Hall, editor ; studies by Roy B. Helfgott, W. Eric Gustafson, James M. Hund

Harvard University Press 1959 New York metropolitan region study [2]

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