000 00285nam a2200121Ia 4500
100 _aChand, Jagdish
020 _a978-81-8364-015-2
942 _cBK
245 _aEnvironmental education
260 _aAnshah publishing house, New Delhi
_c2007
082 _a301.307 Cha
300 _a142p
999 _c38419
_d38419