Maryanti, Atik, and Adi Asmara. “Analisis Kesulitan Belajar Matematika Siswa SMP Pada Materi Bilangan Kelas VII”. RIGGS: Journal of Artificial Intelligence and Digital Business 4, no. 4 (December 20, 2025): 6053–6060. Accessed February 1, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/4504.