Quasem, Md. Abul Agricultural Extension Services in Crop Sector of bangladesh : Some Suggestions for Improvement / Md. Abul Quasem - Dhaka : Bangladesh Institute of Development Studies (BIDS) , 2010 - ix,35p. : ill. ; 26 cm. - BIDS-PRP Working Paper Series No. 4 . Includes bibliographical references. Subjects--Topical Terms: Crop productionAgricultural Extension Services Gov. Doc. Class. No.: BAN BIDS-PRP WP-04