Sea, Elisabeth, Samuel Leton, and Bernadeta Suni. “Analisis Kesulitan Matematika Materi Bentuk Aljabar Kelas VII Di SMP Katolik St. Agustinus Adisucipto Kupang”. Jurnal Ilmiah Matematika (JIMAT) 6, no. 2 (December 22, 2025): 843-852. Accessed January 24, 2026. https://www.jurnal.isdikkieraha.ac.id/index.php/jimat/article/view/1174.