Development of distance measurement accuracy technology in physical activity tracking applications with a reward point system. Vertex, [S. l.], v. 14, n. 2, p. 50–59, 2025. DOI: 10.35335/85rbrg31. Disponível em: https://pub.iocscience.org/index.php/Vertex/article/view/105. Acesso em: 1 may. 2026.