Somroop, M. “The Way of Living of the Population on Settlement and Socio-economic, Culture Aspects of the Communal Area, Amphoe Phrapradaeng, Changwat Samutprakan”. Kasetsart Journal of Social Sciences, vol. 4, no. 2, July 1983, pp. 45-51, https://so04.tci-thaijo.org/index.php/kjss/article/view/243192.