000 00419nam a2200169Ia 4500
008 220601s2017 xx 000 0 eng d
020 _a9789382209034
_qPB
041 _aEnglish
082 _a333.7
_bCHA Q7
100 _aChaturvedi, D.D.
245 0 _aEnviironmental studies
250 _a1st
260 _aNoida
_bScholar Tech Press
_c2017
650 _aEnviornment
700 _aBhagi, A.K.
942 _2ddc
_cBK
_07
999 _c24918
_d24918