000 00339nam a2200157Ia 4500
100 _aBhalla, G S (ed) , Khanna, Hema (ed) ,
080 _a344.046(54)
080 _bEnv/
526 _dTB
526 _aPG
942 _cBK
245 _aEnviornmental education
260 _aRegal
_bNew Delhi
_c2007
300 _axviii,259
546 _aE
999 _c55628
_d55628