The Effectiveness of Rubber Ball Media in Teaching Forward Rolls in Floor Gymnastics to Primary School Students. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 1, p. 0846–0855, 2026. DOI: 10.26858/cpjok.v18i1.576. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/576. Acesso em: 20 may. 2026.