PRATIWI, Desi Eka; YULIANA, Leni. Elementary schools’ learning tools development based on Understanding by Design. Curricula: Journal of Curriculum Development, [S. l.], v. 5, n. 1, p. 321–334, 2026. DOI: 10.17509/curricula.v5i1.208. Disponível em: https://ejournal-education.upi.edu/curricula/article/view/208. Acesso em: 1 jul. 2026.