HADI, Muhammad Rizky Putra; MASHUD, Mashud. Improving smash accuracy in badminton through progressive drill training: sports action research. Sriwijaya Journal of Sport, [S. l.], v. 5, n. 2, p. 368–386, 2026. DOI: 10.55379/sjs.v5i2.185. Disponível em: https://sjs.ejournal.unsri.ac.id/index.php/sjs/article/view/185. Acesso em: 26 feb. 2026.