Watcharakaweesilp W. The Competence of German Majors at Khon Kaen University in Terms of Using English and German for Negotiation. HUSOKKU [Internet]. 2022 Aug. 27 [cited 2024 May 1];39(2):144-69. Available from: https://so01.tci-thaijo.org/index.php/HUSO/article/view/256349