YẾN, Vương Thị Hải. EXPRESSING FORMULAS OF DIRECT REFUSALS OF OFFERS BY VIETNAMESE. Dalat University Journal of Science, Dalat, Vietnam, v. 8, n. 4, p. 77–89, 2018. DOI: 10.37569/DalatUniversity.8.4.498(2018). Disponível em: https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/498.. Acesso em: 8 dec. 2024.