ALEXANDER SAMOSIR; FICA AULIA NANDA; CHINTANI SIHOMBING. Online Learning on Mathematics Learning Outcomes of Class II Students of SD Negeri 191320 Raya Tongah . Asian Journal of Community Services, [S. l.], v. 2, n. 1, p. 153–162, 2023. DOI: 10.55927/ajcs.v2i1.2894. Disponível em: https://journal.formosapublisher.org/index.php/ajcs/article/view/2894. Acesso em: 16 may. 2025.