1
von De Bruyn, N.J. (Autor),
Erschienen in South African journal for research in sport, physical education and recreation, 12 (1989), 1, S. 33-44, Lit.
Verfügbarkeit
Erschienen in South African journal for research in sport, physical education and recreation, 12 (1989), 1, S. 33-44, Lit.
2
von Blaauw, P. (Autor),
Erschienen in South African journal for research in sport, physical education and recreation, 12 (1989), 1, S. 21-31, Lit.
Verfügbarkeit
Erschienen in South African journal for research in sport, physical education and recreation, 12 (1989), 1, S. 21-31, Lit.