1. Healthcare Accreditation Institute (Public Organization) (2009). https://www.ha.or.th/Backend/fileupload/Quality%20Tools/Attach/HAOverallScoring2010%20Ver4.pdf. Accessed 12 Jan 2021
2. Expert system. https://en.wikipedia.org/wiki/Expert_system. Accessed 12 Jan 2021
3. Sawangwattananutat, N.: What is Chatbot? How important is it? (2017). http://blogs.cipher.co.th/what-is-chatbot. Accessed 12 Jan 2021
4. Savina, N.: Five different types of chatbot. In: Voice UI. https://medium.com/@hellonastasyasavina. Accessed 12 Jan 2021
5. Sukswang, S.: Triage nurse: beyond main process through practice. J. Health Sci. Sch. 5(2), 1–14 (2018)