Educational research : an introduction /
Gall, Meredith D. ,
Educational research : an introduction / Meredith D. Gall, Joyce P. Gall and Walter R. Borg. - xxxi, 656 pages : illustrations ; 24 cm.
0321081897 9780321081896
Education --Research.
Education --Research--United States.
LB1028 / .G34 2003
Educational research : an introduction / Meredith D. Gall, Joyce P. Gall and Walter R. Borg. - xxxi, 656 pages : illustrations ; 24 cm.
0321081897 9780321081896
Education --Research.
Education --Research--United States.
LB1028 / .G34 2003