SITORUS, R. Upaya Meningkatkan Sikap Sopan Santun Siswa Melalui Layanan Bimbingan Kelompok Pada Siswa Kelas XI. Journal of Education Action Research, [S. l.], v. 5, n. 1, p. 10–16, 2021. DOI: 10.23887/jear.v5i1.31522. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/31522. Acesso em: 30 nov. 2024.