00646nam a22002297a 4500003000200000005001700002008000200019010001300021020002300034035002300057037001600080040001500096082001900111100001500130245005600145260005300201270004800254300002200302500005000324650001400374650002800388020180728151117.00  aB-158727  c795.00a8176489093  aB-158727, B-158728  bCen Lib/Ret  aDPLbENc0  a372.35044bSIN  aSigh, Y. K  aTeaching of environmental science /cby Y. K. Singh  aNew DelhibA. P. H  Publishing Corporationc2005  a5, Ansari Road DaryaganjbNew Delhie110002  ax,366p.c22cm(Hb)  aIncludes bibliographic references and index    aEducation  aEnvironmental education