Shaleha, Aminatus, and Miftakhul Jannah. “Self-Efficacy and Self-Regulation in Football Athletes: The Moderating Role of Happiness”. Journal Sport Area 10, no. 3 (December 18, 2025): 476–489. Accessed July 22, 2026. https://journal.uir.ac.id/index.php/JSP/article/view/25125.