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Alternative formulations of the transhipment problem
Hurt, Verner G., (1965)
Optimizarea transporturilor în unităţile agricole
Vasilescu, Nicolae, (1978)
Transport management in the agricultural co-operative
Eaton, R. J., (1960)
Grain marketing methods in the U.S.A. : the theory, assumptions, and approach
Schruben, Leonard W., (1973)
Trends affecting U.S. wheat policy
Schruben, Leonard W., (1980)
Systems approach to marketing efficiency research
Schruben, Leonard W., (1968)