PURNAMASARI, Ira; EFFENDY, Ferry; NI€™MAH, Lailatun; NASRULLAH, Dede. Development of Android-based health media applications as promotional media in improving COVID-19 preventive behavior in the community. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, [S. l.], v. 7, n. 1, 2023. DOI: 10.30651/jqm.v7i1.12828. Disponível em: https://journal.um-surabaya.ac.id/qanunmedika/article/view/12828. Acesso em: 3 may. 2024.