Educational research :
Borg, Walter R.
Educational research : an introduction / Walter R. Borg, Meredith Damien Gall. - 4th ed. - New York : Longman, c1983. - xxxiii, 936 p. ; 24 cm.
Includes bibliographies and indexes.
0582282462
82020849
370/.7/8
Educational research : an introduction / Walter R. Borg, Meredith Damien Gall. - 4th ed. - New York : Longman, c1983. - xxxiii, 936 p. ; 24 cm.
Includes bibliographies and indexes.
0582282462
82020849
370/.7/8