T. Telaumbanua, Kaminudin Telaumbanua, Baziduhu Laia, Murnihati Sarumaha, and Fatolosa Hulu, “FACTORS CONTRIBUTING TO LEARNING DIFFICULTIES AMONG GRADE IX STUDENTS AT SMP NEGERI 1 TOMA”, JPE, vol. 6, no. 1, pp. 78-93, Apr. 2025.