PERDANA, . D. S. .; RAMADAN, Z. H. . Kesulitan Belajar Matematika di Masa Pandemi Covid-19 Siswa Kelas VB SDN 168 Pekanbaru. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 4, p. 5567–5573, 2022. DOI: 10.31004/jpdk.v4i4.6365. Disponível em: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/6365. Acesso em: 24 nov. 2024.