000 00407cam a2200169ua 4500
001 6685
008 110825n ii |||gr||||Z||||||eng
040 _cMAIN
082 _a574.52
100 _aAli, W.
245 _aParibesh Bidya
_zW. Ali
250 _a1st /
_b2004.
260 _aGowalpara:
_bAlok Book Stall,
_c2004.
300 _a168 p.
600 _aEnvironmental Science,
_eEnvironmental.
942 _cBK
999 _c6422
_d6422