สุโขทัย อาทิตย์, สายจำปา ธนศักดิ์, and โรจนพล วรวลัญช์. “Effects of Urbanization Changing on Roles of Subdistrict Headman and Village Headman in Phra Pradaeng District, Samutprakan Province”. Journal of Information Technology and Innovation 18, no. 1 (June 24, 2019): 121–129. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/oarit/article/view/197275.