Hia, I., & Harefa, A. (2023). Analysis of Difficulties in Understanding Mathematical Concepts In Class VIII Students of SMP Negeri 2 Hiliduho in the 2022/2023 Academic Year. Edumaspul: Jurnal Pendidikan, 7(2), 5730-5734. https://doi.org/10.33487/edumaspul.v7i2.7425