Rajagukguk, Jonson, Arif Rahman, Sahala Siallagan, and M. Joharis Lubis. “Enhancing Elementary Teachers’ Competence: Collaborative Learning in the Organized Training System (CarLOS) in Dairi”. Journal of Posthumanism 5, no. 5 (May 7, 2025): 1827–1839. Accessed May 18, 2025. https://posthumanism.co.uk/jp/article/view/1569.