Educational research, an introduction
By: Walter R. Borg, Meredith Damien Gall.
Contributors: Gall, Meredith D., 1942- joint author.
Edition: 3d ed.
Publisher: Longman
Published: 1979
Place of publication: New York
Language: eng
Number of pages: 753
Subjects: Education -- Research.
Notes: Includes bibliographies and indexes.