Towards effective healthcare information SMS model. Journal of Health Informatics in Africa, [S. l.], v. 5, n. 2, 2018. DOI: 10.12856/JHIA-2018-v5-i2-206. Disponível em: https://jhia-online.org/index.php/jhia/article/view/206.. Acesso em: 1 may. 2024.