Pamungkas MD, Waluya SB, Mariani S, Isnarto I, Rahmawati F, Noor Kholid M, Laksmiwati PA. Enhancing Complex Problem-Solving Skills through STEM-Based Spatial Geometry E-Modules . QAJ [Internet]. 2024Sep.10 [cited 2025Sep.27];4(3):541-56. Available from: https://journal.qubahan.com/index.php/qaj/article/view/794