Wahyuni, Sri, Susda Heleni, and Atma Murni. “Development of Contextual Approach-Based Student Worksheets to Facilitate Mathematical Problem-Solving Skills in Systems of Linear Equations in Two Variables”. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika 7, no. 1 (August 30, 2024): 106–118. Accessed December 4, 2024. https://journal.upp.ac.id/index.php/absis/article/view/2625.