000 00333nam a2200145Ia 4500
008 211214s9999 xx 000 0 und d
082 _a546
100 _aSingh Y K
245 _aEnvironmental Science
250 _a-
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL
_c2018
300 _a310
650 _aB.Pharmacy
942 _cBK
999 _c123578
_d123578