The Effect of Educational Tools Exercises on Certain Joints’ Angles in Javelin Performance and Achievement. American International Journal of Humanities, Arts and Social Sciences , [S. l.], v. 1, n. 1, p. 12–16, 2019. DOI: 10.46545/aijhass.v1i1.56. Disponível em: https://acseusa.bdtopten.com/index.php/aijhass/article/view/73. Acesso em: 1 feb. 2026.