000 00239nam a2200097Ia 4500
100 _aENGLA GAJANAND
245 0 _aTEXTBOOK OF ENVIRONMENTAL SCIENCE (SEMESTER - II)
260 _bPAGING
_aNEW DELHI
_c2019
300 _aXV, 207P
942 _cBK
999 _c10385
_d10385