Sangkham, Sarawut, Sakesun Thongtip, and Pornpun Sakunkoo. “Occupational Health Hazard Exposure and Health Problems Among Solid Waste Collectors in Phayao Province, Northern Thailand”. Journal of Public Health and Development 19, no. 2 (May 25, 2021): 227–239. Accessed May 8, 2024. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/249795.