Hanzalah, Muhammad, and Muhammad Yunan Harahap. “Character Education in the Thought of Buya Hamka and Its Relevance in the Digital Era”. Indonesian Journal of Education Research (IJoER) 6, no. 5 (October 30, 2025): 522-530. Accessed January 22, 2026. https://cahaya-ic.com/index.php/IJoER/article/view/2160.