000 00434nam a2200181Ia 4500
008 210723s9999||||xx |||||||||||||| ||und||
020 _a978-81-84111-123-1
035 _a42805
082 _a910.0923
_BYAD
100 _aYadav, P. R.
245 0 _aTextbook Of Environmental Science
250 _a-
260 _aN. Delhi
_bSonali Publications
300 _a297
500 _a56
650 _aEnvironmental Science
942 _cBK
999 _c44988
_d44988