000 00286nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a628.5
100 _aManjunath D L
245 0 _aEnvironmental Studies
250 _a1
260 _bPearson Education, New Delhi
_c2016
942 _cBK
999 _c29088
_d29088