KHASANAH, Umul; ANDARI, Novi. Analyzing Japanese Keigo (Honorifics) Acquisition Challenges Faced by Non-Native Advanced Language Learners. Research Horizon, [S. l.], v. 5, n. 5, p. 1903–1914, 2025. DOI: 10.54518/rh.5.5.2025.787. Disponível em: https://lifescifi.com/journal/index.php/RH/article/view/787. Acesso em: 13 may. 2026.