000 00477nam a2200205Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a330
082 _bGRA/TH
100 _aGraaff V
100 _eAuthor
245 _aTheiretical welfare economics
260 _aNew Delhi
260 _bVikas publishing house Pvt Ltd
260 _c1975
650 _ahorizone
650 _aMarginal cost
650 _asocial transformation
942 _cBK
999 _c251266
_d251266