Somboonsuke, Buncha, Purawich Phitthayaphinant, and Apinya Ratanachai. “Health Status of Household Laborer in Para-Rubber Plantations in Songkhla Province”. Kasetsart Journal of Social Sciences 37, no. 3 (December 1, 2016): 243–254. Accessed May 19, 2024. https://so04.tci-thaijo.org/index.php/kjss/article/view/243034.