Hellat Abadi Farahani ME, Vajdian MR, Davaei M. Comparison of the Effectiveness of Choice Theory-Based Education and Adolescent-Centered Mindfulness Training on Psychological Capital in Adolescent Football Players. JAYPS. Published online May 1, 2027:1-15. Accessed October 22, 2026. https://www.journals.kmanpub.com/index.php/jayps/article/view/6009