000 00439nam a2200169Ia 4500
008 220601s2016 xx 000 0 eng d
020 _a9789351425540
_qPB
041 _aEnglish
082 _a333.7
_bTIW Q6
100 _aTiwari, Vijay Kumar
245 0 _aTextbook of environmental studies
250 _a1st
260 _aNew Delhi
_bHimalaya Publiishing House
_c2016
300 _a432p.
650 _aEnviornment
942 _2ddc
_cBK
_01
999 _c24891
_d24891