STEM-IoT Integration in Paper Bridge Projects: Development of a Learning Tool for Teaching Ratio and Proportion. Jurnal Padamu Negeri, [S. l.], v. 3, n. 4, p. 06–18, 2026. DOI: 10.69714/frkkar67. Disponível em: https://journal.smartpublisher.id/index.php/jpn/article/view/2156. Acesso em: 15 oct. 2026.