Improving Long Jump Learning Through The Modification of Learning Tools. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 1, p. 1557–1568, 2026. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/659. Acesso em: 1 mar. 2026.