00647nam a2200157 a 4500 820923s1993 bg a 001 0 eng d 639.9 19 Farming Systems Research at Kamalgonj 1989 and 1990/ compiled by Nizam U Ahmed, Bangladesh: Bangladesh Rice Research Institute. vii pp. 58, 1993 Ahmed,Nizam U. Bangladesh Rice Research Institute. 628 628 0 0 ddc 0 0 BRACUL BRACUL GEN 2009-05-12 0.00 0 639.9 FAR 3010006447 2009-05-12 1 2009-05-12 BK