สินเพ็ง อุทัย. 2022. “The Development of a Centralized Infectious Waste Management Model Nakhonsawan Province”. Journal of Disease and Health Risk DPC.3 16 (1). Nakhon Sawan, Thailand:4-17. https://he01.tci-thaijo.org/index.php/JDPC3/article/view/246109.