Aini, R., & Susiloningsih, J. (2013). Risk Factor Associated with Hepatitis B Incidence in Pondok Pesantren Putri Ibnul Qoyyim Yogyakarta. Sains Medika: Jurnal Kedokteran Dan Kesehatan, 5(1), 30-33. https://doi.org/10.30659/sainsmed.v5i1.362