Phakham, N., C. Kunlabut, and P. Rahannok. “Guidelines of Community Welfare Fund Development to Sustainability of Na-O Sub-District Municipality, Muang District, Loei Province”. Research and Development Journal, Loei Rajabhat University, vol. 15, no. 51, Apr. 2020, pp. 68-79, https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/223078.