Lietz, K., Lietz, M. G., & Natee, N. (2026). Problems and Proposed Strategies for Solving the English Problems of Thai Staff Working at a European Airline Call Center. Journal of Buddhist Education and Research (JBER), 12(3), 278–287. retrieved from https://so06.tci-thaijo.org/index.php/jber/article/view/290492