NURUL HIDAYAH NR; YUSRIANI, Y.; SAMSUALAM, S. The Effect of Perceived Usefulness on Health Information System Application (ASIK) Use Behavior for Immunization Activities in Makassar City. An Idea Health Journal, [S. l.], v. 6, n. 01, p. 34–39, 2026. DOI: 10.53690/ihj.v5i02.594. Disponível em: https://ihj.ideajournal.id/index.php/IHJ/article/view/594. Acesso em: 30 jan. 2026.