Khongtap, Adchara. 2020. “Public Relations Management Strategies of Subdistrict Municipality in Prachuap Khiri Khan Province: Public Relations Management Strategies of Subdistrict Municipality in Prachuap Khiri Khan Province”. LAWARATH SOCIAL E – JOURNAL 2 (3):17-28. https://so04.tci-thaijo.org/index.php/lawarathjo/article/view/245644.