SIRAIT, Hosea Anderson; GAFARI, M. Oky Fardian. PELANGGARAN PRINSIP KESANTUNAN DALAM PERCAKAPAN PELANGGAN DAN PENGEMUDI OJEK ONLINE DI MEDAN. JURNAL SASTRA INDONESIA (SASINDO), [S. l.], v. 10, n. 2, 2021. DOI: 10.24114/sasindo.v10i2.31143. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/sasindo/article/view/31143. Acesso em: 18 oct. 2025.