Maneewong, P. ., T. . Chaiyarat, J. . Salok, and S. . Maneewong. “ Prachuap Khiri Khan Province”. Rattanakosin Journal of Social Sciences and Humanities, vol. 5, no. 2, Aug. 2023, pp. 1-16, https://so05.tci-thaijo.org/index.php/RJSH/article/view/261608.