Chaowarakul, J., Kayanha, A., Anusornphanich, P., Ketloy, T. and Wisutthirattanakun, S. (2021) “ SAMUT PRAKAN PROVINCE”., Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, 16(1), pp. 174–187. available at: https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/249845 (accessed: 7 October 2026).