00454nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001700095100001800112245006900130260002000199300000900219650002500228700001900253OSt20260204105527.0250729s1999    xx            000 0 und d  a9788130916835  cAL  aeng  a372.307 PANO  aPandya Mamata  aOur life our world : environment studies : social studies book 4  aBangalorec1999  a148p  aEnvironmentEducation  aPao Digumurthi