1.
Res Q
; 40(4): 743-9, 1969 Dec.
Article
in English
| MEDLINE
| ID: mdl-5262104
Subject(s)
Attitude , Physical Fitness , Self Concept , Adolescent , Child , Humans , Male , Physical Education and Training
2.
J Educ Psychol
; 58(5): 303-7, 1967 Oct.
Article
in English
| MEDLINE
| ID: mdl-6079075
3.
J Educ Psychol
; 58(4): 238-44, 1967 Aug.
Article
in English
| MEDLINE
| ID: mdl-6062456