Ramadhona, Rezky, Nur Asma Riani Siregar, and Okta Alpindo. “The Practicality of Plane and Space Geometry Textbook As Teaching Materials in Mathematics Education Department of UMRAH”. Jurnal Gantang 8, no. 1 (June 30, 2023): 65–73. Accessed December 19, 2024. https://ojs.umrah.ac.id/index.php/gantang/article/view/5658.