Chompoonich, Jatupone, Trakul Chitwattanakorn, and Nopparat Noyjarean. 2024. “Developing Inspiration Speaking Competences for Life Insurance Business Executives”. Journal of Multidisciplinary in Humanities and Social Sciences 7 (3):1753-67. https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/270535.