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6[2]John R. Commons, The Economics of Collective Action, Madison: University of Wisconsin Press, 1970.
7[3]Arthur M. Ross, Trade Union Wage Policy, Berkeley: University of California Press, 1948.
8[4]John T. Dunlop, Industrial Relations System, New York: Henry Holt, 1958.
9[5]C. J. Margerison, What do We Mean by Industrial Relations--A Behavioral Science Approach , British Journal of Industrial Relations 7(2) (July 1969).
10[6]Herbert G. Heneman, Jr. , Toward a General Conceptual System of Industrial Relations:How do We Get there? , in Gerald G. Somers, ed. , Essays in Industrial Relations Theory, Ames:Iowa State University Press, 1969.