Soeparno, K. ., & Andayani , B. . (2023). Two of the four great thinkers from Yogyakarta: Ki Hadjar Dewantara and Ki Ageng Suryomentram, humanitarian fighter and initiator of cultured character education. International Conference on Indigenous Psychology and Culture, 1(1), 1–11. Retrieved from https://seminar.ustjogja.ac.id/index.php/icipc/article/view/788