Heady, Earl O. Farm management economics / Earl O. Heady and Harald R. Jensen. - New Delhi : Prentice-hall of India; c 1964. - ix, 645 p. : ill. ; 23 cm. Includes index. 314 314 Subjects--Topical Terms: Agricultural firm--management. Farm management. Dewey Class. No.: 338.1 / H345f