Moderate-to-vigorous physical activity and personal well-being in European youth soccer players: Invariance of physical activity, global self-esteem and vitality across five countries

1. Papaioannou, A.G.
2. Appleton, P.R.
3. Torregrosa, M.
4. Jowett, G.E.
5. Bosselut, G.
6. Gonzalez, L.
7. Haug, E.
8. Ertesvaag, V.
9. Zourbanos, N.