Elvie Nitje Piri, and Franky Reymond Najoan. “The Effectiveness of the "Irodori" Based Japanese Language Learning Model on the Learning Outcomes of Students Participating in the Kaigo Program: Measured from the Standard Japanese Language Competency Test”. Proceeding of International Conference on Japanese Studies, Language and Education, vol. 5, no. 1, Nov. 2024, pp. 224-9, http://proceedings.aspbji.id/index.php/icjsle/article/view/101.