Educational research : an introduction /
Meredith D. Gall, Joyce P. Gall, Walter R. Borg.
- 8th ed.
- Boston : Pearson/Allyn & Bacon, c2007.
- xxxi, 672 p. : ill. ; 24 cm.
Includes bibliographical references and indexes.
9780205488490
Education--Research. Education--Research--United States.