Lehmann, Irvin J.,

Educational research; readings in focus, edited by Irvin J. Lehmann [and] William A. Mehrens. - New York, Holt, Rinehart and Winston [1971] - xiii, 460 p. illus. 23 cm.

Includes bibliographies.

0030831407

72142106


Education--Research.

LB1028 / LEH 1971

370/.78