AGUSTINA, C. P. .; ARIF, Z. .; SYEFUDIN, S. Implementasi Whatsapp Gateway Pada Sistem Pelayanan Donor Darah. Journal Automation Computer Information System, [S. l.], v. 2, n. 2, p. 100–107, 2022. DOI: 10.47134/jacis.v2i02.46. Disponível em: https://jacis.pubmedia.id/index.php/jacis/article/view/46. Acesso em: 29 mar. 2024.