SUTANTO, Sutanto. Studi Kasus Penerapan Prinsip Understanding by Design Pada Pembelajaran Matematika Kelas 5 di SD Negeri 1 Selo Kecamatan Tawangharjo. Jurnal Guru Sekolah Dasar, [S. l.], v. 1, n. 3, p. 27–34, 2024. DOI: 10.70277/jgsd.v1i3.4. Disponível em: https://jurnalgurusd.com/index.php/jgsd/article/view/44. Acesso em: 12 oct. 2025.