Educational research
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.
920331
Includes bibliographies.
0030831407
72142106 //r84
Education--Research--Addresses, essays, lectures.
LB1028 / .L38
370/.78
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.
920331
Includes bibliographies.
0030831407
72142106 //r84
Education--Research--Addresses, essays, lectures.
LB1028 / .L38
370/.78