000 00257nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aT R Jain & others
245 0 _aB Com I economics
260 _aAmbala
_bV K Pub
_c1989
650 _aEconomics
942 _cBK
999 _c6554
_d6554