Primasoni, Nawan. “SEPAKBOLA, KOMPETISI, DAN ANAK USIA DINI”. Jorpres (Jurnal Olahraga Prestasi) 8, no. 2 (August 5, 2016): 123–131. Accessed July 7, 2025. https://jurnal.uny.ac.id/index.php/jorpres/article/view/10299.