Foundations of educational research
By: Gilbert Sax.
Edition: 2d ed.
Publisher: Prentice-Hall
Published: 1979
Place of publication: Englewood Cliffs, N.J
Language: eng
Number of pages: 434
Subjects: Education -- Research
Notes: Includes bibliographies and index.
First ed. published in 1968 under title: Empirical foundations of educational research.