Phuangsuwan P, al. et. A Development of the Basic Tourist Guide Course Training Indicators for Higher Education Institutes in Thailand that Comply with the Tourist Business and Tourist Guide Act B.E. 2551. JTHT [internet]. 2017 Jun. 21 [cited 2026 Sep. 15];12(1):3-17. available from: https://so04.tci-thaijo.org/index.php/tourismtaat/article/view/90258