MERY SILALAHI. Local Wisdom In Umpasa Tradition: An Ecolinguistic Perspective. PROSIDING SEMINAR NASIONAL PENDIDIKAN, BAHASA, SASTRA, SENI, DAN BUDAYA, [S. l.], v. 2, n. 2, p. 138–145, 2023. DOI: 10.55606/mateandrau.v2i2.1543. Disponível em: https://badanpenerbit.org/index.php/MATEANDRAU/article/view/1543. Acesso em: 17 may. 2024.