Lay, Sergius, Dominikus Doni Ola, and Dosma Siringo-ringo. “Implementation Spirituality of Saint Therese Lisieux for Character Education at Elementary School Pangaribuan – Barus”. PROCEEDINGS International Conference on Catholic Religious Education and Philosophy 1, no. 1 (June 30, 2024): 50–58. Accessed June 23, 2025. https://iccrep.stpdianmandala.ac.id/index.php/ICCREP/article/view/20.