Educational research : an introduction /
Borg, Walter R.
Educational research : an introduction / Walter R. Borg, Meredith Damien Gall. - 4th ed. - New York : Longman, 1983. - 936 p. ; 27 cm.
Includes bibliographies and index.
Educational research.
Educational research : an introduction / Walter R. Borg, Meredith Damien Gall. - 4th ed. - New York : Longman, 1983. - 936 p. ; 27 cm.
Includes bibliographies and index.
Educational research.
