Crombag Hans F. Ed. Proceedings Contemporary issues in educational t - Hague Mouton 1974 - 344p. cm. - Psychological Studies . Appendix p.297-335 ISBN: 90 279 7521 3 Standard No.: 121092 Source: Reference Collections Subjects--Topical Terms: EducationEducational Measurement Dewey Class. No.: "T:5p1.N73, L4"