ARITONANG OPPU SUNGGU, Gidion; SARI, Liliana Puspa. Physical Fitness Level of Junior High School Football Club Students of Medan Amal Bakti Foundation Age Group 13 -14 Years. Journal of Football Research, [S. l.], v. 1, n. 1, p. 1–5, 2024. DOI: 10.55081/jofr.v1i1.1993. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JoFR/article/view/1993. Acesso em: 11 oct. 2026.