000 00515nam a22002057a 4500
003 BGCL
005 20211126134844.0
008 171110b xxu||||| |||| 00| 0 eng d
020 _c240.00
040 _aBGCL
_bBengali
041 _aBENG
082 _a363.7
_bK 199.1
100 _aKarmakar, Madhusudan
245 _aUchchatara Paribeshvidya
_cby Madhusudan Karmakar
250 _a2nd ed
260 _aKolkata
_bBook Mart
_c2019.
300 _a280p.
_b24 cm.
650 _aENVIRONMENTAL SCIENCE
942 _cBOOK
999 _c22028
_d22028