BUDE WAKO; SOLOMON AREAYA; MULUGETA ATNAFU. Influence of Online Learning on Mathematical Competence During the Covid-19 Pandemic: A Case Study of Primary School Students in Addis Ababa City, Ethiopia. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 65, n. 1, p. 264–286, 2022. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/14868. Acesso em: 4 may. 2024.