Analysis of the Sports Class Program for Sustainable Young Athlete Development: (A Case Study at Muhammadiyah 2 Junior High School, Surabaya). COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 3, p. 3106–3119, 2025. DOI: 10.26858/cjpko.v17i3.438. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/438. Acesso em: 8 dec. 2025.