Syifaurrohman, Muhammad Huda, and Ali Shodikin. “Implementation of GeoGebra-Assisted Problem Based Learning Model to Improve Understanding of Algebra Concepts in Junior High School”. Journal of the Indonesian Mathematics Education Society, vol. 3, no. 2, Nov. 2025, pp. 97-106, doi:10.26740/jimes.v3n2.p97-106.