000 00411nam a2200181Ia 4500
008 230706s9999 xx 000 0 und d
082 _a577
082 _bShi
100 _aShivam Pub.
245 0 _aEssence of objective environmental studies
250 _aFirst
260 _aJaipur
260 _bSHIVAM BOOK HOUSE
260 _c2019
300 _a148
650 _aEnvironmental Science
942 _cS
999 _c12487
_d12487