SIHOMBING, W. R.; DIRGANTORO, K. P. S.; BONYAH, E. Application of GeoGebra-Assisted Problem-Based Learning Model to Strengthen the Learning Interest of Eighth Grade Junior High School Students. International Journal of Geometry Research and Inventions in Education , [S. l.], v. 2, n. 02, p. 72–80, 2025. DOI: 10.56855/gradient.v2i02.1742. Disponível em: https://journals.eduped.org/index.php/Gradient/article/view/1742. Acesso em: 15 oct. 2025.