Basir, Siti Arni, Mohd. Farid Mohd. Sharif, and Raja Hisyamudin Raja Sulong. “Iso 9000 from Islamic Perspective”. Jurnal Usuluddin 28 (December 31, 2008): 139–158. Accessed July 4, 2024. https://ajba.um.edu.my/index.php/JUD/article/view/7275.