Widiyarto, Sigit, and Budi Purnomo. “Freedom to Learn in Ki Hajar Dewantara’s Perspective: Historical Studies and Their Relevance to Character Education ”. International Journal of Business, Law, and Education 4, no. 2 (September 29, 2023): 837 - 844. Accessed May 20, 2024. https://ijble.com/index.php/journal/article/view/185.