000 00266nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aJ P Gupta awam anya
245 0 _aVyavasaik prabandh ke siddhaant (for class XII)
260 _aNew Delhi
_bR Chand
_c1986
942 _cBK
999 _c5870
_d5870