SETYO BASORI, I. 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: https://jurnal.staisam.ac.id/index.php/almuttaqin/article/view/75. Acesso em: 23 feb. 2025.