Sholihah, Ummu, and Beni Asyhar. “The students’ Visual Reasoning in Solving Integral Problems”. Journal Focus Action of Research Mathematic (Factor M) 6, no. 2 (December 27, 2023): 15–26. Accessed May 19, 2024. https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/factorm/article/view/1988.