Mardani, Said, et al. “Analysis of the Risk Factors of Hepatitis A Outbreaks at Islamic Boarding School X, Rokan Hilir Regency, Riau”. Jurnal Kesehatan Komunitas (Journal of Community Health), vol. 10, no. 1, May 2024, pp. 187-96, doi:10.25311/keskom.Vol10.Iss1.1796.