Pengembangan Media E-Book Strumi Berbasis Qr Materi Struktur Bumi Kelas V SDN Togogan 1 Kabupaten Blitar. JURNAL PARADIGMA : Journal of Sociology Research and Education, [S. l.], v. 6, n. 2, p. 25–45, 2026. DOI: 10.53682/jfrzpx25. Disponível em: https://ejurnal.unima.ac.id/index.php/paradigma/article/view/13187. Acesso em: 31 oct. 2026.