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1دورية أكاديمية
المؤلفون: Hildebrand, George H., Wood, Richard H., Fitzgerald, Lloyd E., Miernyk, William H., Perlman, Mark, Brun, Andre, Shister, Joseph, Palmer, Gladys L., Seidman, Joel
المصدر: Industrial and Labor Relations Review, 1959 Apr 01. 12(3), 488-495.
URL الوصول: https://www.jstor.org/stable/2519596
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2دورية أكاديمية
المؤلفون: Coleman, John R., Fitzgerald, Lloyd E., Knowles, William H., Harbison, Frederick, Sobel, Irvin, Gavett, Thomas W., Tripp, L. Reed, Coit, Eleanor G., Culley, Jack F.
المصدر: Industrial and Labor Relations Review, 1962 Jul 01. 15(4), 596-603.
URL الوصول: https://www.jstor.org/stable/2520420
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3دورية أكاديمية
المؤلفون: Shister, Joseph, Bernstein, Irving, Ginzberg, Eli, Fitzgerald, Lloyd E., Peter, Hollis W., Levine, Solomon B., Knowles, William H., Flanders, Allan, Rosen, Ned A.
المصدر: Industrial and Labor Relations Review, 1961 Jan 01. 14(2), 316-324.
URL الوصول: https://www.jstor.org/stable/2520296