jiaphong, suchada, T. Pronwanpen, C. Danmuang, P. Thanamun, and W. Yodpan. “Personal Pronouns in KhunchangKhunpaen Literature : A Study of Word Patterns and Usage in Social Relationships”. Journal of Humanities and Social Sciences Uttaradit Rajabhat University, vol. 11, no. 1, June 2024, pp. 14-25, https://so04.tci-thaijo.org/index.php/johuru/article/view/262599.