00452nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001700095100001900112245006700131260002000198300000800218650002500226700001900251OSt20260204094547.0250729s1999    xx            000 0 und d  a9789389400816  cAL  aeng  a372.357 KOHO  aKohli Poonam S  aOur life our world:environment studies : social studies book 2  aBangalorec1999  a72p  aEnvironmentEducation  aKoo Digumurthi