Zuhaida, Nirwana, et al. “Trends in Students’ Mathematical Problem-Solving Skills: A Systematic Review and Bibliometric Analysis of GeoGebra-Assisted Problem-Based Learning Research (2021–2025) ”. Media Pendidikan Matematika, vol. 13, no. 2, Dec. 2025, pp. 1118-33, https://ojspanel.undikma.ac.id/index.php/jmpm/article/view/18489.