Sihombing, W.R., Dirgantoro, K.P.S. and Bonyah, E. 2025. 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 . 2, 02 (Aug. 2025), 72–80. DOI:https://doi.org/10.56855/gradient.v2i02.1742.