Simon Petrus Lumbantoruan and Lasmaria Lumban Tobing, “Pengaruh Katekisasi Sidi dan Keteladanan Orang Tua Terhadap Karakter Remaja Kristen di HKBP Paranginan Ressort Paranginan”, jbpakk, vol. 3, no. 2, pp. 16–27, May 2025.