Basic statistics. 3d ed. - Leabo, Dick Albert; Smith, C. Frank (Homewood, III., R.D. Irwin, 1968)
First ed. (1960) by C.F. Smith and D.A. Leabo, and rev. ed. (1964) by D.A. Leabo and C.F. Smith, published under title: Basic statistics for busines economics.
Bibliographical references.
Keywords: Statistics