00434nam\a2200145\a\4500 23484 23443 BD-DhIUB 20220701011029.0 190301s1990\\\\bg\a\\\g\\\\\\000\0\eng\d BD-DhIUB BD-DhIUB Bangladesh : landsat digital mosaic : sheet 2 : land zone and land systems. Dhaka : SPARSO, 1990. 01 sheet map. SPARSO, ERIM, UNDP, FAO, USAID. 3340 ddc BK