000 00600nam a22002417a 4500
003 SAMLib
005 20220609194242.0
008 220609b |||||||| |||| 00| 0 eng d
020 _cRs.75.00
040 _aSAMLib
041 _aeng
082 _a375.083
_bBAL\E
100 _aBala, Sujan Kumar
245 _aEnvironmental studies
_cSujan Kumar Bala
_bquestions & answers
250 _a5th ed
260 _aKolkata
_bMaity Book House
_c2009
300 _a287p.
650 _aEnvironmental Studies
650 _aEnvironmental science
650 _aEnvironment
650 _aEcology
942 _cBK
999 _c27
_d27