Bulkis, Ratu, Sufyani Prabawanto, and Tia Purniati. 2026. “Analysis of Diagnostic Learning Obstacles of Junior High School Students on Straight-Line Equations: A Systematic Literature Review”. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains 11 (1):19-29. https://ejournal.uki.ac.id/index.php/edumatsains/article/view/8210.