Telaumbanua, Tatema, Kaminudin Telaumbanua, Baziduhu Laia, Murnihati Sarumaha, and Fatolosa Hulu. “FACTORS CONTRIBUTING TO LEARNING DIFFICULTIES AMONG GRADE IX STUDENTS AT SMP NEGERI 1 TOMA”. Curve Elasticity: Jurnal Pendidikan Ekonomi 6, no. 1 (April 30, 2025): 78-93. Accessed August 20, 2025. https://mail.jurnal.uniraya.ac.id/index.php/JPE/article/view/2721.