Educational research
Subtitle: an introduction
By: by Walter R. Borg and Meredith D. Gall.
Contributors: Gall, Meredith D., 1942- joint author.
Edition: 2d ed.
Publisher: McKay
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 533
Subjects: Education -- Research
Notes: Includes bibliographical references.