DI, W.; SAMAHITO, S.; KHAN, M. S. Development model of sports service management for elderly: a cross-sectional study. International Journal of Nutrology, [S. l.], v. 19, n. 3, 2026. DOI: 10.54448/ijn26311. Disponível em: https://ijn.zotarellifilhoscientificworks.com/index.php/ijn/article/view/822. Acesso em: 15 jul. 2026.