Hia IK, Harefa AO. Analysis of Difficulties in Understanding Mathematical Concepts In Class VIII Students of SMP Negeri 2 Hiliduho in the 2022/2023 Academic Year. edumaspuljr [Internet]. 2023Oct.1 [cited 2026Apr.6];7(2). Available from: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/7425