Chongchitpaisan, W., and A. Bandhukul. “COVID-19 Risk Control and PPE use: Thai Personnel Safety”. Biomedical Sciences and Clinical Medicine, vol. 64, no. 4, Sept. 2025, pp. 269-76, https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/268209.