KHATTIYAVONG, P; CHANTHAVONG, P; VIPHAKON, M. English for Business Communication of Savannakhet University’s Staff and Lecturers. Scientific Journal of National University of Laos, [S. l.], v. 21, 2024. Disponível em: https://lajd.org/index.php/sjnuol/article/view/196. Acesso em: 19 sep. 2024.