The Impact of Visual Thinking Approach to Promote Elementary Students’ Problem Solving Skill in Mathemathics. J. Teach. Learn. Elem. Educ. [Internet]. 2018 Aug. 1 [cited 2025 Sep. 14];1(2):98-108. Available from: https://jtlee.ejournal.unri.ac.id/index.php/JTLEE/article/view/99