Isman IMN, Cholis CS, Santi SI, Subanji S. Student’s Thinking Process in Solving Proportions Based on Information Processing Theory. PEGEGOG [Internet]. 2024 Jan. 10 [cited 2025 Aug. 22];14(2):205-1. Available from: https://www.pegegog.net/index.php/pegegog/article/view/2533