INDRAWAN , Doby. Effectiveness of Pre-Hajj Physical Prehabilitation in Improving Functional Capacity and Health Outcomes Among Pilgrims: A Systematic Review . International Journal of Natural and Health Sciences, [S. l.], v. 4, n. 4, p. 507–530, 2026. DOI: 10.59890/ijnhs.v4i4.10. Disponível em: https://journalijnhs.my.id/index.php/ijnhs/article/view/10. Acesso em: 30 oct. 2026.