Nindam, T., R. Kaveeta, and N. Mungkung. “Sustainability of Farmers’ Career in Krathum Baen District, Samut Sakhon Province”. Dusit Thani College Journal, vol. 12, no. 3, Apr. 2020, pp. 517-31, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/240984.