เจนวิถี ธ., and นาถะพินธุ ก. “Health Problem of Solids Waste Collectors of Local Administrative Organization in Muang District Chaiyaphum Province in 2017”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima, vol. 25, no. 2, May 2019, pp. 16-25, https://he02.tci-thaijo.org/index.php/ODPC9/article/view/189555.