Measuring the Effectiveness of Motivational Strategies in Improving Athletic Performance in Adolescents. Journal of the College of Basic Education, [S. l.], v. 32, n. 135, p. 195–216, 2026. DOI: 10.35950/cbej.v32i135.14494. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/14494.. Acesso em: 3 aug. 2026.