Castle, Emery N. Farm business management : the decision-making process / Emery N. Castle, Manning H. Becker and Frederick J. Smith. - 2nd ed. - New York : Macmillan , 1972 - xxi, 340p. : ill. ; 23cm. First ed. by Emery N. Castle and Manning H. Becker. Includes bibliography. Subjects--Topical Terms: Farm management. Dewey Class. No.: 631.1 CAS