AMALINA, Amalina. Pembelajaran Matematika Anak Usia Dini di Masa Pandemi COVID-19 Tahun 2020. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 5, n. 1, p. 538–548, 2020. DOI: 10.31004/obsesi.v5i1.592. Disponível em: https://mail.obsesi.or.id/index.php/obsesi/article/view/592. Acesso em: 18 apr. 2026.