000 nam a22 7a 4500
999 _c837
_d837
003 OSt
005 20180702172948.0
008 180702b xxu||||| |||| 00| 0 eng d
020 _a9788184870756
082 _a363.7
_bDAH
100 _aDahiya, Pushpa
110 _aAhlawat, Manisha
245 _aEnvironmental science : a new approach /
_cby Puspha Dahiya & Manisha Ahlawat.
260 _aNew Delhi :
_bNarosa Publishing House ;
_c2013.
300 _aIndex.,
_c24 cm.
942 _2ddc
_cBK