00624nam a2200205Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100002200111245003900133260003800172300000900210650003700219942001300256999001900269952013000288OSt20250915125253.0250729s2005 xx 000 0 und d a978-8122418484 cAL aeng a370.8 SINT aSingh Y K9222540 aTeaching of enviournmental science aNew DelhibA P H Publishingc2005 a366p aEnviournmental Education9222541 2ddccBED c235511d235511 00104070aALbALd2025-07-29eSita Book Houseg150.00l0o370.8 SINTpBED00830r2025-07-29 16:54:03v150.00w2025-07-29yBK