000 00293nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aLAXMI GANTA VENKATA SIVA
_915129
245 0 _aMETHODS OF TEACHING ENVIRONMENT AL SCIENCE
260 _bDISCOVERY PUB.
_c2006
300 _a331
942 _cBK
999 _c111270
_d111270