Benyaapikul, Pornthep. “Market Expansion, Political Relationship and Geographical Inequality in the Early Rattanakosin Siam: A Theoretical Perspective”. Thammasat Review of Economic and Social Policy 2, no. 1 (June 27, 2016): 54–75. accessed April 13, 2025. https://so04.tci-thaijo.org/index.php/TRESP/article/view/249309.