000 00281nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSundharam & Vaish
245 0 _aPrinciples of economics
250 _a8th
260 _aAgra
_bRatan Prakashan
650 _aEconomics
942 _cBK
999 _c307
_d307