Drawbaugh, Charles C. Agricultural education : approaches to learning and teaching / Charles C. Drawbaugh [and] William L. Hull. - Columbus, Ohio : C. E. Merrile, c1971. - xi, 324 pages : Illustrations ; 24 cm. - The Merrill series in career programs . Includes bibliographies. ISBN: 0675092744 LCCN: 71132866 Subjects--Topical Terms: Agriculture--Study and teaching. LC Class. No.: S531 / .D7 Dewey Class. No.: 630/.7