SIRAJ, Siraj. PENDEKATAN SISTEM DALAM PERSPEKTIF UNDANG-UNDANG NOMOR 20 TAHUN 2003 TENTANG SISTEM PENDIDIKAN NASIONAL. EducanduM, [S. l.], v. 10, n. 2, 2019. DOI: 10.24114/em.v10i2.13196. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/em/article/view/13196. Acesso em: 16 aug. 2025.