Tindak Tutur Kata Sapaan Masyarakat Angkola Di Kota Padangsidimpuan. Journal Education Innovation (JEI), [S. l.], v. 2, n. 3, p. 364–374, 2024. DOI: 10.65474/kw0p8f84. Disponível em: https://jurnal.ypkpasid.org/index.php/jei/article/view/111.. Acesso em: 10 feb. 2026.