Ray, Siddheswar, 1939-. Technological development of agriculture in West Bengal since independence / Siddheswar Ray. - 1st ed. - Calcutta : Firma KLM, c1992. - xiii, 206 p. : ill. ; 22 cm. Includes bibliographical references (p. [191]-202). ISBN: Rs150.00 LCCN: 91909074 Subjects--Topical Terms: Agricultural innovations--Economic aspects--History.--India--West BengalAgricultural innovations--History.--India--West BengalAgriculture--Economic aspects--History.--India--West BengalAgriculture--History.--India--West Bengal LC Class. No.: S471.I32 HD1405 / W477 1992 / .I5 / R3 Dewey Class. No.: 630/.954/14