In:
Journal of Educational Psychology, American Psychological Association (APA), Vol. 31, No. 9 ( 1940), p. 710-712
Type of Medium:
Online Resource
ISSN:
1939-2176
,
0022-0663
Language:
English
Publisher:
American Psychological Association (APA)
Publication Date:
1940
detail.hit.zdb_id:
219162-3
detail.hit.zdb_id:
2066580-5
SSG:
5,2
SSG:
5,3