The relationship between sources of motivation and level of practice in young portuguese swimmers
- Salselas, V.
- Gonzalez-Boto, R.
- Tuero, C.
- Marquez, S.
ISSN: 0022-4707
Argitalpen urtea: 2007
Alea: 47
Zenbakia: 2
Orrialdeak: 228-233
Mota: Berrikuspena