000 00274nam a22001097a 4500
005 20241005140431.0
100 _aPratul Biswas
_aKalyan Biswas
_aMuthuraja S
245 _aEnvironmental studies
260 _aNew Delhi
_bVision Book House
_c2022
300 _a250
942 _cBK
999 _c4341
_d4341