Chamsri, Manthana, and Wornchanok Chaiyasoonthorn. 2023. “Using behavior of utensil sterilizers among users in Eastern Thailand’s food courts”. The Journal of Integrated Business Innovation and Sustainability (JIBIS) 13 (2). Bangkok, Thailand:87-101. https://so02.tci-thaijo.org/index.php/fam/article/view/266260.