“Mathematical Problem-Solving Ability of Grade X Students on Trigonometry Through Problem Based Learning with Plotagon-Based Animation Media” (2026) Proceeding International Conference on Multidisciplinary Engagement, 1(1), pp. 761–769. Available at: https://prosiding.gerakanedukasi.com/index.php/income/article/view/151 (Accessed: 5 July 2026).