Tohet M, Arifin Z. Quality Assurance System of Islamic Education in Enhancing Satisfaction and Academic Services Based on ISO 21001:2018. jrem [Internet]. 2024 Dec. 25 [cited 2026 Nov. 5];3(2):120-33. Available from: https://www.journal.literasantri.com/index.php/jrem/article/view/29