Pimda , Siriphan, Sanya Kenaphoom, and Saowalak Kosonkittiumporn. 2024. “Motivation factors affecting the work efficiency of administrative civil servants in the Provincial Attorney’s Office. Under the Office of the Prosecutor, Region 4: Motivation factors affecting the work efficiency of administrative civil servants in the Provincial Attorney’s Office. Under the Office of the Prosecutor, Region 4”. RATANABUTH JOURNAL 6 (1). Yasothon, Thailand:517-31. https://so07.tci-thaijo.org/index.php/rtnb/article/view/4047.