Ramli, M.A. et al. 2019. Autoriti Kerajaan Dalam Mewajibkan Vaksinasi Kanak-kanak: Kajian Menurut Perspektif Hukum Islam (Authority of the Government to Enforce Child Vaccination: A Study from the Islamic Ruling Perspective). UMRAN - International Journal of Islamic and Civilizational Studies. 6, 2 (Jun. 2019), 21–35. DOI:https://doi.org/10.11113/umran2019.6n2.243.