00389nam a2200109 a 4500008004100000082001500041245008600056260005500142300002200197700001900219710004100238820923s1993    bg a          001 0 eng d00a639.9 21910aFarming Systems Research at Kamalgonj 1989 and 1990/c compiled by Nizam U Ahmed,  aaBangladesh:bBangladesh Rice Research Institute.  avii pp. 58,c19931 aAhmed,Nizam U.2 a Bangladesh Rice Research Institute.