phetliap, witchaya, Valanchaya Ketbumroong, Jiraporn Prathumyo, Jun Norkaew, and Suttikorn Suwannatrai. “Occupational Health Hazards and Factors Related to Work Safety Behavior among Garbage Collectors, Muang District, Nakhon Ratchasima Province”. Journal of Vongchavalitkul university 37, no. 2 (December 27, 2024): 30–45. accessed May 12, 2025. https://ph01.tci-thaijo.org/index.php/vujournal/article/view/258630.