Wichayarubon, Vichai Wichayarubon. “Political Interference to the Police Using the Provincial Police Region 9 as A Case Study”. Rajapark Journal 12, no. 26 (September 4, 2018): 199–210. accessed September 24, 2026. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/145130.