Sittivongsa, B., and K.- orn Boonmee. “Privatization of Community Enterprises AND GREEN Improves People’s Quality of Life in Ubonrat District Khon Kaen Province”. Rajamangala University of Technology Tawan-ok Social Science Journal, vol. 15, no. 1, June 2026, pp. 174-83, doi:10.63271/rmuttosj.v15i1.281983.