Axinn, George H . Modernizing world agriculture : a comparative study of agricultural extension education systems / George H.Axinn and Sudhakar Thorat. - New Delhi : Oxford and IBH Publishing , 1972. - xv,216p. : fig ; 21cm . NULL ISBN: Rs. 25.50 (Hb) Subjects--Index Terms: AGRICULTURAL ECONOMICS Dewey Class. No.: 338.1 / AXI/M