Development of a Video Tutorial For Basic Goalkeeper Techniques in Football Schools of Bayung Lencir Sub-District. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 3, p. 2699–2706, 2025. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/342. Acesso em: 19 mar. 2026.