HATAMLEH, Mahmoud Aied; EID, Faleh Sultan Abu; ABUTABANJEH, Abdulmunem; AKOUR, Ahmad Abed Alwahab; ALQATAMI, Haya Mohamad. The Level of Psychological Hardiness Among Volleyball and Swimming Players in Jordan: A Comparative Study. Migration Letters, London, UK, v. 21, n. 2, p. 106–114, 2023. DOI: 10.59670/ml.v21i2.5854. Disponível em: https://migrationletters.com/index.php/ml/article/view/5854. Acesso em: 8 feb. 2026.