Practical Statistics / S.P.Gupta.
Gupta, S.P .
Practical Statistics / S.P.Gupta. - 6th ed / - New Delhi : S.Chand , 1988 - 538
500 / GUP
Practical Statistics / S.P.Gupta. - 6th ed / - New Delhi : S.Chand , 1988 - 538
500 / GUP
