Zaidi, Wiqar H. Investigation into factors ralated to the adoption of improved methods of Amon paddy cultivation in Comilla development area / Wiqar H. Zaidi - Comilla : PAVD , 1960 - viii, 95p. : ill. ; 20 cm. - PAVD Technical Pub. . Includes bibliographical references. Subjects--Topical Terms: Agriculture--PakistanPaddyCrops Dewey Class. No.: 633 / ZAI