Development of Barcode-Based Pop-Up Books in Elementary School. International Journal Universal Pedagogy Education, [S. l.], v. 1, n. 1, p. 37–47, 2025. Disponível em: https://journal.tigaedukasiglobal.co.id/index.php/IJUPE/article/view/9. Acesso em: 10 sep. 2025.