Van Dalen, Deobold B., 1911-
Understanding educational research : an introduction / [by] Deobold B. Van Dalen. - 3d ed. - New York : McGraw-Hill, 1973 - ix, 532 p. : illus. ; 24 cm.
Bibliography: p. 507-515.
0070668825
Education--Research.
370.78
Understanding educational research : an introduction / [by] Deobold B. Van Dalen. - 3d ed. - New York : McGraw-Hill, 1973 - ix, 532 p. : illus. ; 24 cm.
Bibliography: p. 507-515.
0070668825
Education--Research.
370.78
