Soonthonsawat, Gunyarat, Phamorn Khanthahat, and Tanisorn Yeunyong. 2022. “Local Administrator Leadership Affecting Development Planning of Municipality in Saraburi Province”. Rajapark Journal 16 (49). Bangkok, Thailand:420-34. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/258614.