SETYO BASORI, Indrianto. PENERAPAN SISTEM MANAJEMEN MUTU ISO 9001:2008 DI SMP AL HIKMAH SURABAYA. Al-Muttaqin : Jurnal Studi, Sosial, dan Ekonomi, [S. l.], v. 3, n. 2, p. 215–234, 2022. DOI: 10.63230/almuttaqin.v3i2.75. Disponível em: http://staisam.ac.id/jurnal/index.php/almuttaqin/article/view/75. Acesso em: 9 sep. 2025.