000 00251nam a22001097a 4500
082 _a519.5
_bGUP/E
100 _aGupta, S.P.
245 _aEasy approach to statistics /
_cS.P. Gupta.
260 _aNew Delhi :
_bS.Chand,
300 _a239p.:
942 _cBK
999 _c31885
_d31885