S. . Soonthorn, R. . Saiyaros, S. . Boonruan, T. . Khamwisettanathon, S. . Thammarat, and P. . Noicharoen, “People’s Satisfaction towards Public Service of Maha Sarakham Provincial Administrative Organization Fiscal Year 2022”, IARJ, vol. 2, no. 4, pp. 463–478, Aug. 2022.