SIAHAAN, Tumpal Manahara; BUTAR BUTAR, Injen Pardamean; SIJABAT, Osco Parmonangan. Strengthening Educational Quality through the Implementation of ISO 9001:2008 Quality Management Systems at FKIP Pematangsiantar Senior High School. Tadbir : Jurnal Studi Manajemen Pendidikan, [S. l.], v. 10, n. 2, p. 465–484, 2026. DOI: 10.29240/jsmp.v10i2.16494. Disponível em: https://journal.iaincurup.ac.id/index.php/JSMPI/article/view/16494. Acesso em: 12 nov. 2026.