Elements of practical statistics /
Harper, F. H.
Elements of practical statistics / F. H. Harper - Macmillan, 1930. New York : - 324 p. ; 23 cm.
Includes index.
Statistics.
311 HAR
Elements of practical statistics / F. H. Harper - Macmillan, 1930. New York : - 324 p. ; 23 cm.
Includes index.
Statistics.
311 HAR