AZIZA, M. Online Learning during Covid-19: What is the Most Effective Platform for Teaching and Learning Mathematics?. Edumatika : Jurnal Riset Pendidikan Matematika, [S. l.], v. 4, n. 1, p. 9–21, 2021. DOI: 10.32939/ejrpm.v4i1.754. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/754. Acesso em: 23 jan. 2022.