000 00325nam a2200145Ia 4500
020 _a£8,127,203,513
082 _a628
100 _aSrivastava, K. P.
245 0 _aIntroduction To Environmental Study
250 _a1 st
260 _aLudhiyana
_bKalyani Publishers
300 _a375
650 _aEnv. Sci.
942 _cBK
999 _c81721
_d81721