Tarigan, Musa Sinar. 2021. “Penghiburan Sejati Orang Percaya Menurut Katekismus Heidelberg [True Comfort for Believers According to the Heidelberg Catechism]”. Diligentia: Journal of Theology and Christian Education 3 (1):31-45. https://doi.org/10.19166/dil.v3i1.3090.