Sankhayan, P. L. Introdution to the economics of agriculture production / P.L. Sankhayan. - 1st ed. - New Delhi : Prentice hall of India Pvt. Ltd. , 1988 - viii, 135 p. : figs, ; 24 cm. Includes index. Subjects--Topical Terms: economics Dewey Class. No.: 338.17 / SAI