Kongtip, Pornpimol, Wanpen Thongsuk, Witaya Yoosook, Suttinun Chantanakul, and Sumalee Singhaniyom. “Health Effects of Air Pollution on Street Vendors: A Comparative Study in Bangkok”. Thai Journal of Toxicology 23, no. 1 (June 1, 2020): 5. Accessed May 20, 2024. https://li01.tci-thaijo.org/index.php/ThaiJToxicol/article/view/243629.