M. Leddy

发表

Factors influencing the economic potential for alternative farming systems: Case analyses in South Dakota

T. Dobbs, J. Smolik, M. Leddy, 1988 .

Cost of Production and Net Returns for Alternative Farming Systems in Northeastern South Dakota: 1986 and "Normalized" Situations

T. Dobbs, M. Leddy, L. Weiss, 1987 .