Boucharkoa, Kullanattha. 2020. “The Management of Quality Management of Tourism under Thailand 4.0 Policy in Bang Saphan District, Prachuap Khiri Khan: The Management of Quality Management of Tourism under Thailand 4.0 Policy in Bang Saphan District, Prachuap Khiri Khan”. LAWARATH SOCIAL E – JOURNAL 2 (1):29-42. https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/241487.