Chulupong, S., C. Wongkitrungruang, and S. Karnjanasuntorn. “Participatory Budgeting Guidelines: A Case Study of the Self-Reliant Community Strengthening Project Based on the Philosophy of Sufficiency Economy in Ratchathewi District”. SOCIAL SCIENCES RESEARCH AND ACADEMIC JOURNAL, vol. 20, no. 3, Sept. 2025, pp. 179-97, https://so05.tci-thaijo.org/index.php/JSSRA/article/view/281520.