The Effect of Circuit Training Methods in Improving the Physical Abilities of Junior High School Students. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 2, 2026. DOI: 10.26858/cpjok.v18i2.702. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/702. Acesso em: 5 may. 2026.