000 00265nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR D Gupta
245 0 _aElementary economic theory
260 _aNew Delhi
_bKalyani Pub
_c1983
650 _aEconomics
942 _cBK
999 _c4807
_d4807