BOGAYAN, Leo. Lessons in Earth Science Using Digitally Printed Three-Dimensional (3D) Models. International Journal of Education, Research, and Innovation Perspectives, Philippines, v. 2, n. 5, p. 616–631, 2026. DOI: 10.5281/zenodo.20174239. Disponível em: https://ijerip.erio.org.ph/index.php/articles/article/view/638. Acesso em: 14 may. 2026.