Statistical methods in education /
Lewis, D. G.
Statistical methods in education / [by] D.G. Lewis. - London : University of London Press, [1967]. - 199 p. : ill., tab, diagrs. ; 23 cm.
Includes bibliographical references.
Educational statistics.
311 LEW
Statistical methods in education / [by] D.G. Lewis. - London : University of London Press, [1967]. - 199 p. : ill., tab, diagrs. ; 23 cm.
Includes bibliographical references.
Educational statistics.
311 LEW