Mental toughness and perfectionism in judo: Differences by achievement and age. The relation between constructs

1. Suárez-Cadenas, E.
2. Sretković, T.
3. Perales, J.C.
4. Petrović, J.
5. Sterkowicz-Przybycień, K.
6. Batez, M.
7. Drid, P.