Kanjanawanishkul, Kiattisin, Kanokwan Bunkon, Nawaporn Ladkeaw, and Noppachai Khongcharern. “An Emergency Alarm System: Press for Help”. JOURNAL OF INFORMATION SCIENCE AND TECHNOLOGY 9, no. 1 (June 25, 2019): 18–27. Accessed April 20, 2024. https://ph02.tci-thaijo.org/index.php/JIST/article/view/170120.