المؤلفون: Justus, Fred, Headley, J.C., Krause, Kenneth R., Schultz, S. Ray, Shaudys, E.T., Nodland, Truman, Hobbs, Daryl J., Warrack, Allan A., Wirth, M.E.

مصطلحات موضوعية: Farming, human factor, NC-59 project, management model, Farm management

Relation: Technical Bulletin (University of Minnesota, Agricultural Experiment Station.);258; North Central Regional Research Publication;184; http://hdl.handle.net/11299/182415

الاتاحة: http://hdl.handle.net/11299/182415