Suparman, Suparman, et al. “Tinjauan Teologis Mengenai Konsep Purgatory Dan Implikasinya Terhadap Soteriologi [Theological Review of the Concept of Purgatory and Its Implications for Soteriology]”. Diligentia: Journal of Theology and Christian Education, vol. 6, no. 1, Jan. 2024, pp. 57-75, doi:10.19166/dil.v6i1.7685.