Mustika Nurbayeni, and Machrani Adi Puteri Siregar. “Development of Contextual-Based Worksheets to Improve Student Learning Outcomes in Three-Variable Linear Equation System ”. EduMatSains : Jurnal Pendidikan, Matematika dan Sains 10, no. 2 (October 31, 2025): 176–192. Accessed May 18, 2026. https://ejournal.uki.ac.id/index.php/edumatsains/article/view/7451.