NIYARCI, Niyarci. Perkembangan Pendidikan Abad 21 Berdasarkan Teori Ki Hajar Dewantara. Pedagogika: Jurnal Ilmu-Ilmu Kependidikan, [S. l.], v. 2, n. 1, p. 46–55, 2022. DOI: 10.57251/ped.v2i1.336. Disponível em: https://jurnal.medanresourcecenter.org/index.php/PED/article/view/336. Acesso em: 10 mar. 2026.