Wiersma, William.
Research methods in education : an introduction / William Wiersma, Stephen G. Jurs. - 9th ed. - Boston : Pearson/Allyn and Bacon, c2009. - xxiii, 493 p. : ill. ; 24c m. + 1 CD-ROM (4 3/4 in.)
9780205642403
Education--Research.
370.72 / WIE
Research methods in education : an introduction / William Wiersma, Stephen G. Jurs. - 9th ed. - Boston : Pearson/Allyn and Bacon, c2009. - xxiii, 493 p. : ill. ; 24c m. + 1 CD-ROM (4 3/4 in.)
9780205642403
Education--Research.
370.72 / WIE