Damanik, Tuti Alawiyah Prastiwi, Eva Julyanti, and Laili Habibah Pasaribu. “Analysis of the Mathematical Concept Understanding Ability of VII Grade Junior High School Students ”. EduMatSains : Jurnal Pendidikan, Matematika dan Sains 9, no. 2 (January 31, 2025): 55-65. Accessed February 19, 2025. http://ejournal.uki.ac.id/index.php/edumatsains/article/view/6397.