Rakpongsiri, K., Srisurak, K. and Rakpongsiri, P. (2020) “Heartbeat Interval Variability Analyzer for Health Check-up”, Science & Technology Asia, 25(3), pp. 97–104. Available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/224160 (Accessed: 28 March 2024).