Juliyanti, Hanni. “An Analysis of Mathematics Learning Difficulties Among High-Ability Students in Solving Systems of Linear Equations in Two Variables (SLETV)”. Journal of Matematics In Teaching and Learning 3, no. 2 (June 30, 2025): 275–288. Accessed December 28, 2025. https://jurnal.stain-madina.ac.id/index.php/matematika/article/view/2628.