Pholsukkarn, S., and S. . Jintanasirinurak. “Participation of The People in The Nakharat Canal Excavation Muang Chumphon District, Chumphon Province”. Faculty of Humanities and Social Sciences Thepsatri Rajabhat University Jounal, vol. 13, no. 3, Dec. 2022, pp. 31-48, https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/255735.