KESULITAN PEMBELAJARAN DARING PADA MATA PELAJARAN MATEMATIKA MATERI TRIGONOMETRI SISWA SMK NEGERI 1 SURABAYA. Journal of Mathematics Education Research, [S. l.], v. 1, n. 2, p. 15–21, 2022. Disponível em: https://journalng.uwks.ac.id/jmer/article/view/35.. Acesso em: 24 nov. 2024.