Bulkis, Ratu, Sufyani Prabawanto, and Tia Purniati. “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, no. 1 (July 31, 2026): 19–29. Accessed August 2, 2026. https://ejournal.uki.ac.id/index.php/edumatsains/article/view/8210.