000 00311nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a519.5
_bGUP/ST
100 _aGUPTA, S.B.
245 0 _aSTATISTICAL METHODS
250 _a11st Ed.
260 _bSultan Chand and Sons, New Delhi
_aNew Delhi
_c1978
942 _cBK
999 _c9377
_d9377