Gupta C.B.
An introduction to statistical methods/ C.B.Gupta - 8th rev.ed - Delhi : Vikas, c1973 - x,120p. : ill.;tab.; 24cm.
Methods of statistics
310.1 / GUI
An introduction to statistical methods/ C.B.Gupta - 8th rev.ed - Delhi : Vikas, c1973 - x,120p. : ill.;tab.; 24cm.
Methods of statistics
310.1 / GUI