Agrawal, R. C., 1936- Operations research methods for agricultural decisions [by] R. C. Agrawal and Earl O. Heady. - [1st ed.] - Ames, Iowa State University Press [1972] - x, 303 p. illus. 24 cm. Includes bibliographies. ISBN: 0813812003 Subjects--Topical Terms: Farm management--Research.Operations research. LC Class. No.: S562.5 Agr