Tammu, Yulio, Yulio Tammu, and Derel Kaunang. “Asesmen Pembelajaran Matematika Di SMP Negeri 2 Tondano Pada Masa Pandemi Covid-19”. Jurnal Cendekia : Jurnal Pendidikan Matematika 7, no. 3 (August 18, 2023): 2660-2674. Accessed September 26, 2025. https://www.j-cup.org/index.php/cendekia/article/view/2324.