000 00273nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSudharam and Vainsh
245 0 _aPrinciples of economics Ed
260 _bVikas
260 _c1977
365 _b22.00
942 _cBK
999 _c201909
_d201909