Wiersma, William.
Research methods in education : an introduction / William Wiersma. - 4th ed. - Boston : Allyn and Bacon, c1986. - xiv, 466 p. : ill. ; 25 cm.
Includes bibliographies and indexes.
0205087477
85028709
Education--Research.
LB1028 / .W517 1986
Research methods in education : an introduction / William Wiersma. - 4th ed. - Boston : Allyn and Bacon, c1986. - xiv, 466 p. : ill. ; 25 cm.
Includes bibliographies and indexes.
0205087477
85028709
Education--Research.
LB1028 / .W517 1986