1.
Ned Tijdschr Psychol
; 24(11): 682-96, 1969 Dec.
Article
in Dutch
| MEDLINE
| ID: mdl-5374079
2.
Ned Tijdschr Psychol
; 24(3): 137-55, 1969 Mar.
Article
in Dutch
| MEDLINE
| ID: mdl-5769018
Subject(s)
Achievement , Motivation , Psychological Tests , Humans , Male , Occupations , Psychometrics , Surveys and Questionnaires
3.
Ned Tijdschr Psychol
; 24(3): 162-4, 1969 Mar.
Article
in Dutch
| MEDLINE
| ID: mdl-5769020