000 00264nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR B L Aggarwal
245 0 _aSankhyiki: Ek saral adhyayan
260 _aJaipur
_bRamesh Book Depot
650 _aMath
942 _cBK
999 _c6672
_d6672