F. R. Kaligis and R. Manogu, “Analisis Teologis Konsep Pembenaran Berdasarkan Pengakuan Iman Westminster dan Katekismus Heidelberg [A Theological Analysis of the Concept of Justification Based on the Westminster Confession of Faith and the Heidelberg Catechism]”, DILIGENTIA, vol. 2, no. 1, pp. 102–119, Jan. 2020.