Agsornwet, Ittisak, Sanya Kenaphoom, and Saovalak Kosonkittiumporn. 2022. “Model for Competency Development of Administrators of Provincial Offices and Branches in the Central Northeastern Region”. Journal for Developing the Social and Community 9 (3). Bangkok, Thailand:555-72. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/256430.