Sholihah, Ummu, Maryono Maryono, and Maryono Maryono. “Students’ Visual Thinking Ability in Solving the Integral Problem”. JRAMathEdu (Journal of Research and Advances in Mathematics Education) 5, no. 2 (June 27, 2020): 175–186. Accessed November 17, 2025. https://journals2.ums.ac.id/jramathedu/article/view/9305.