00311nam a2200109Ia 4500082001700000245004300017260006100060300001300121504001900134650003500153700001300188  a333.715 ENV- 0aEnvironment, resources and development  aShillongbGeographical socity of North - Eastern Hc2001  axiv, 361  aincludes index  aGeographyvIndia, Northeastern  aRai, R K