Matukarun, A., Wattana, J. and Khemthong, P. 2023. Participatory Action Research to Develop Non-Formal Education Learning Process in Strengthening the Community Based on Social Capital: Case Study of Bangmafor Community, Nakhon Sawan Province. Journal of Multidisciplinary in Humanities and Social Sciences. 6, 3 (Jun. 2023), 1304–1318.