000 00273nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aVir Sen & others
245 0 _aCommerce economics
250 _a5th
260 _aAmbala
_bRavi pub.
650 _aEconomics
942 _cBK
999 _c1441
_d1441