000 00272nam a2200121Ia 4500
100 _aNasrin
020 _a81-7648-064-9
942 _cBK
654 _a
245 _aEnvironmental Education
260 _aNew Delhi
_bAPH Publishing Corporation
_c1999
082 _a370:574.5
999 _c413769
_d413769
041 _aeng