ALAM, Smansaf. Smart health costing system. Wasit Journal of Computer and Mathematics Science, [S. l.], v. 1, n. 3, p. 46–49, 2022. DOI: 10.31185/wjcm.63. Disponível em: https://wjcm.uowasit.edu.iq/index.php/wjcm/article/view/63. Acesso em: 11 aug. 2025.