DIKA DIANA; EDIAMAN; KHAIRINA. ANALISIS KESULITAN BELAJAR SISWA SMP SWASTA SWADAYA BULU CINA PADA PEMBELAJARAN MATEMATIKA DIMASA PANDEMI COVID-19. Serunai : Jurnal Ilmiah Ilmu Pendidikan, [S. l.], v. 7, n. 2, p. 130–136, 2022. Disponível em: https://www.ejournal.stkipbudidaya.ac.id/index.php/serunai/article/view/480. Acesso em: 14 nov. 2026.