Sangkamanee, Pansopark, Withaya Chanchai, Tussanee Nimnaparoj, Rungtawan Sutthichienchot, Supath Srithanyarat, Chanitsara Jindarat, Keatkongkrai Bunnum, Pannapat Suksawat, and Songsit Srisua. “Evaluation of the Physical Performance of Chemical Indicators in the Sterilization Process under the Operation of the Pre-Vacuum Pump System of the Steam Sterilizer”. Journal of Health Promotion and Environmental Health Research Health Promotion Centre 8 Udon Thani 2, no. 4 (October 3, 2024): 52–62. accessed April 21, 2025. https://he04.tci-thaijo.org/index.php/hpc8Journal/article/view/1254.