000 00247nam a22001217a 4500
999 _c7166
_d7166
020 _a9789351610281
082 _a519.23
100 _aGUPTA S.P
245 _aSTATISTICAL METHODS
260 _bSULTAN CHAND AND SONS
300 _a1432
942 _cBK