Rahman, Md. Mizanur Comparative study on bullock and mechanical cultivation in a Comilla village / Md. Mizanur Rahman - Comilla : Bangladesh Academy for Rural Development (BARD) , 1993 - 13p. : ill. ; 20 cm. Includes bibliographical references. Subjects--Topical Terms: Cultivation systemsVillages Gov. Doc. Class. No.: BAN BARD Com-6