Kurnia RA, Wahyuni BD, Handayani N, Sari YN. ANALISIS KESULITAN BELAJAR MATEMATIKA SISWA DALAM PEMBELAJARAN DARING (ONLINE) DI MASA PANDEMI COVID-19. JNR [Internet]. 2022Jun.26 [cited 2024Jul.3];13(1):1-12. Available from: https://e-journal.umc.ac.id/index.php/JNR/article/view/3107