000 00265nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aT R Jain & others
245 0 _aEconomics
250 _a3rd
260 _aAmbala
_bRavi pub.
650 _aEconomics
942 _cBK
999 _c1437
_d1437