000 00305nam a2200133Ia 4500
008 180721s9999 xx 000 0 und d
082 _aX Q2
100 _aChopra PN
245 0 _aPrinciples of Economics
260 _b"Kalyan Publishers, Ludhiana"
260 _c2012
365 _b295
942 _cBK
999 _c131785
_d131785