Vongkrabakthaworn, Suthas, and Saowakon Sukrak. 2022. “Guideline of Content Study on Journey Literature”. Journal of Education Rajabhat Maha Sarakham University 19 (3). Maha Sarakham, Thailand:13-24. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261130.