NOVITASARI, Afida; SYACHRUROJI, Ahmad; ANDRIANA, Encep. Optimization of The Understanding by Design (Ubd) Curriculum Approach in 21st Century Learning at SDIT Citra Bangsa: Penelitan Kulitatif di SDIT Citra Bangsa. Jurnal Gentala Pendidikan Dasar, [S. l.], v. 10, n. 2, p. 368–378, 2025. Disponível em: https://www.online-journal.unja.ac.id/gentala/article/view/45424. Acesso em: 30 apr. 2026.