Dewi Sinta, Agus Fakhruddin, Abid Nurhuda, Nur Muhammad Lathif. CURRICULUM DESIGN FOR DEVELOPING 21ST-CENTURY SKILLS: A CASE STUDY OF AN ISLAMIC HIGH SCHOOL. RER [Internet]. 2025 Jul. 18 [cited 2026 May 18];8(1):72-85. Available from: https://rer.ba/index.php/rer/article/view/239