MUSTIKA NURBAYENI; SIREGAR, Machrani Adi Puteri. Development of Contextual-Based Worksheets to Improve Student Learning Outcomes in Three-Variable Linear Equation System . EduMatSains : Jurnal Pendidikan, Matematika dan Sains, [S. l.], v. 10, n. 2, p. 176–192, 2025. DOI: 10.33541/edumatsains.v10i2.7451. Disponível em: https://ejournal.uki.ac.id/index.php/edumatsains/article/view/7451. Acesso em: 18 may. 2026.