000 nam a22 7a 4500
999 _c720
_d720
003 OSt
005 20210314020018.0
008 190128b xxu||||| |||| 00| 0 eng d
020 _a9789386546111
082 _a363.700954
_bSIV
100 _aSivashanmugam, P.
245 _aText book on environmental science /
_cby P. Sivashanmugam
260 _aNew Delhi :
_bNew India publishing agency ;
_c2018.
300 _ax ; 368 p.,
_c22.5 cm
942 _2ddc
_cBK
_04