Agustin, Ririn Dwi Agustin, Cholis Sa’dijah, Susiswo Susiswo, and Sukoriyanto Sukoriyanto. “Mathematical Semantics Representation Obstacles of Preservice Mathematics Teachers”. Pegem Journal of Education and Instruction 14, no. 3 (April 5, 2024): 376–392. Accessed May 9, 2025. https://www.pegegog.net/index.php/pegegog/article/view/3138.