Rongwiriyaphanich, Suwanna. “A Study of Infrastructure Investment Planning regarding Tourism Development of Sukhothai Historical Park: Alternatives and Socio-Economic Impacts to the Local Communities”. Journal of Architectural/Planning Research and Studies (JARS) 3 (December 30, 2005): 151–184. accessed August 30, 2026. https://so02.tci-thaijo.org/index.php/jars/article/view/169054.