Foundations of educational research - Sax, Gilbert. 4 0 16; 5 (Englewood Cliffs, N.J. : Prentice-Hall, 1979)
First edition published in 1968 under title: Empirical foundations of educational research.
Includes bibliographies and index.
Keywords: 2 -- 0; 6; Research. -- Education -- 20; 20; 2