GÖNÜL TEKKURŞUN DEMIR. DEVELOPING THE ATHLETE OPTIMISM AND PESSIMISM SCALE (AOPS): A VALIDITY AND RELIABILITY STUDY. International Journal of Eurasia Social Sciences , [S. l.], v. 13, n. 49, p. 875–887, 2022. DOI: 10.35826/ijoess.3124. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/1391. Acesso em: 17 may. 2025.