Boobpamala, B. (2022) “Participation of People in Development of Nong Bua Subdistrict Municipality, Mueang Udon Thani District Udon Thani Province”, Journal of Modern Learning Development, 7(4), pp. 342–351. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/254677 (accessed: 7 October 2026).