Novitasari A, Syachruroji A, Andriana E. Optimization of The Understanding by Design (Ubd) Curriculum Approach in 21st Century Learning at SDIT Citra Bangsa: Penelitan Kulitatif di SDIT Citra Bangsa. Jur. Gen. Pend. Dasar [Internet]. 2025 Jul. 15 [cited 2026 Apr. 30];10(2):368-7. Available from: https://www.online-journal.unja.ac.id/gentala/article/view/45424