MANIK, M. . ANALISIS PEMBELAJARAN DARINGMATEMATIKA MELALUI MEDIAWHATSAPP DAN GOOGLE CLASSROOM SELAMA PANDEMI COVID-19 DIKELAS VIII SMP SANTO YOSEPH MEDAN. Cartesius : Jurnal Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 74–82, 2022. DOI: 10.54367/cartesius.v4i2.1703. Disponível em: https://ejournal.ust.ac.id/index.php/CARTESIUS/article/view/1703. Acesso em: 22 jul. 2024.