Encyclopedia of educational research; a project of the American Educational Research Association. /
Editor: Robert L. Ebel ; Associate editor: Victor H. Noll ; Editorial assistant. Roger M. Bauer.
- 4th ed.
- New York : Macmillan, 1969.
- xliv, 1522 p. 28 cm.
Index (p. [xxxi]-xliv) bound in between p. 770-771.