TAMPUBOLON, Taruli; SIBARANI, Sariayu; SIBARANI, Robert. The Evaluation of Mathematics Online Learning in Eight Grade Students of SMP Negeri 1 Sipahutar in Academic Year 2021/2022. International Journal of Humanities and Education Development (IJHED), [S. l.], v. 4, n. 4, p. 52–56, 2022. DOI: 10.22161/jhed.4.4.8. Disponível em: https://theshillonga.com/index.php/jhed/article/view/175.. Acesso em: 19 dec. 2024.