000 00251nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Gupta/ S R Goyal
245 0 _aVanijaya ke siddhaant awam vyavahar
260 _aAligarh
_bNavmaan Pub
942 _cBK
999 _c4741
_d4741