Tyagi, S. S. Economics of Soybean cultivation (with reference to National and Pauri-Garhwal districts in U.P. / S. S. Tyagi - Delhi : Agricultural Economics Research Centre (AERC) , 1980 - 64p. : ill. ; 30 cm. - AERC Research Study No.80/3 . Includes bibliographical references. Subjects--Topical Terms: Soybeans--India Gov. Doc. Class. No.: IN Del.U AERC RS-80-3