Pujiastuti M, Simbolon P, Purba N. Relationship between mother’s knowledge and efforts to prevent acute respiratory tract infection (ARI) in under-fives at Tuntungan Health Center 2022. HealMed [Internet]. 2023 Aug. 15 [cited 2026 Apr. 16];1(3):169-74. Available from: https://journals.iarn.or.id/index.php/HealMed/article/view/95