000 00306nam a2200133Ia 4500
008 210901s1990 xx 000 0 eng d
082 _a310 GUP
100 _aGupta, S.P.
245 0 _aSankhyiki ke sidhant
250 _a8th ed.
260 _aNew Delhi
_bS.Chand
_c1990
300 _avp.
942 _2ddc
_cBK
999 _c19115
_d19115