000 00344nam a2200133Ia 4500
008 221001s1974 xx 000 0 eng d
082 _a519.5 ROY
100 _aRoy, K. P.
245 0 _aStatistical techniques in commerce and economics
250 _a5th ed.
260 _aCalcutta
_bProgressive
_c1974
300 _axv, 377p.
942 _2ddc
_cBK
999 _c48634
_d48634