LÖFFLER, M. The effects of customized orthopedic insoles on sickness absence and productivity among industrial employees. Science International Empirical Review, [S. l.], v. 2, n. 1, p. 72–96, 2026. DOI: 10.52514/sier.v2i1.41. Disponível em: https://sier-journal.com/index.php/SIER/article/view/41. Acesso em: 6 apr. 2026.