Jongmeesuk, Thanapat, Pattaraphon Todsamat, and Sakon Phromsathit. 2023. “Proposed Policy for Problem Solutions and Guidelines for Improvement in 3-Year Development Plan: A Case Study of Esarn Municipal District, Buriram Province: Proposed Policy for Problem Solutions and Guidelines for Improvement in 3-Year Development Plan: A Case Study of Esarn Municipal District, Buriram Province”. RATANABUTH JOURNAL 5 (2). Yasothon, Thailand:1-17. https://so07.tci-thaijo.org/index.php/rtnb/article/view/2708.