000 00291nam a2200097 4500
245 _aText book on environmental education and pollution control
_cJoginder Singh
100 _aSingh Joginder
260 _aNew Delhi
_bKalyani Publishers
_cc1996
300 _a164p.;21cm.
082 _a333.707
_bSIN
999 _c40989
_d40989