Tanasirathum, P., N. Chaisena, W. Pasawapa, and W. Sangkatip. “The Development of Chatbot System for Cooperative and Work-Integrated Education Using Machine Learning Method”. Journal of Information and Learning [JIL], vol. 35, no. 2, Aug. 2024, pp. 142-55, https://so04.tci-thaijo.org/index.php/jil/article/view/271130.