An introduction to educational research
By: by Robert M. W. Travers.
Edition: 3rd ed.
Publisher: Macmillan (N.Y.); Collier-Macmillan
Published: 1969
Place of publication: New York; London
Language: eng
Number of pages: 450
Subjects: Educational research.
Notes: Previous ed. (B64-8754) 1964.

bibl p427-436.