Siagiaan, Afni Maulani Octavia. “The Influence of School Structure, Assets, and Facilities on the Learning Motivation of Eighth-Grade Students at SMP Negeri 3 Tebing Tinggi”. Sufiya Journal of Islamic Studies 1, no. 1 (April 20, 2025): 17–23. Accessed July 10, 2025. https://journal.sufiya.org/index.php/sjis/article/view/103.