J. H. Prijanto and K. Oktavia, “Tindakan Tepat Guru Kristen Menghadapi Siswa Bermasalah dalam Perannya Menuntun dan Membimbing Siswa [The Appropriate Conduct for Christian Teachers in Dealing with Disruptive Students to Fulfill Their Role in Leading and Guiding Students]”, DILIGENTIA, vol. 3, no. 1, pp. 1–15, Jan. 2021.