000 00410nam a2200133 a 4500
005 20260716124925.0
008 260701s2012 ii 000 0 eng d
041 _aeng
100 1 _aMaharashtra State Board Pune
245 1 0 _aEnvironment and Sustainable Development (Standard - Xl ) /
_cMaharashtra State Board Pune.
264 1 _aPune :
_bMaharashtra State Board,
_c2012.
300 _aviii, 134 p.
942 _cBK
999 _c6871
_d6871