000 00279nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aM L Seth
245 0 _aPrinciples of economics
250 _a5th
260 _aAgra
_bLaxmi Narayan Aggarwal
650 _aEconomics
942 _cBK
999 _c308
_d308