1.
Kurniawati I, Joko Raharjo T, Khumaedi K. Mathematical Problem Solving Ability on Problem Based Learning Assisted by GeoGebra in Primary School. EM [Internet]. 30Apr.2021 [cited 21Dec.2024];10(1):110-8. Available from: https://journal.unnes.ac.id/sju/eduman/article/view/39737