000 00384nam a2200157Ia 4500
008 220623s9999 xx 000 0 und d
020 _a9788180694691
041 _aeng
082 _aD 1241
100 _aSinha, Udai Prakash
245 _aEconomics of social enviroment
260 _aNew Delhi
_bConcept Publishing
_c2007
300 _a288 p.
650 _aEconomics
999 _c16206
_d16206
942 _CGB