Zaidi , Wiqar H. Adoption of improved methods of paddy cultivation in Comilla development area II - Comilla Pakistan Academy for Village Development 1961 - 25 p. 24 cm, - PAVD Technical Pub. . Includes bibliographical references and index. Subjects--Topical Terms: Agriculture--PakistanCrops--PakistanImproved Methods Dewey Class. No.: 633 / ZAI-2