000 00267nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aT R Jain/ O P Khanna
245 0 _aPre university economics
260 _aAmbala
_bV K Pub
_c1984
650 _aEconomics
942 _cBK
999 _c4865
_d4865