Namwong, Nattaporn, and Khemruthai Boonwan. 2021. “Image of the characteristics of being a teacher: A study of content and language in Wittayachan in the Reign of King Chulalongkorn”. Journal of Humanities and Social Sciences Nakhon Pathom Rajabhat University 11 (2). ์์Nakhon Pathom,Thailand:71-86. https://so07.tci-thaijo.org/index.php/HUSO-J/article/view/1049.