Yinyom, Nusara, and Siriwan Wichai. “Quality assurance for the production and performance testing of alcohol gel for hand sanitizers”. Bulletin of Applied Sciences 14, no. 1 (June 26, 2025): 79–90. accessed April 22, 2026. https://ph03.tci-thaijo.org/index.php/BAS/article/view/3621.