Klinubon, Sootawee. “ Ratchaburi Province”. Rajamangala University of Technology Tawan-ok Social Science Journal 9, no. 2 (December 24, 2020): 108–118. Accessed May 19, 2024. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/248667.