Thiagarajan, T.R. and Chua King Lee (2024) “Development of a Portable Solar-Powered Ventilator with Bpm and Spo2 Monitoring System”, Evolution in Electrical and Electronic Engineering, 5(1), pp. 18–26. Available at: https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/15314 (Accessed: 18 July 2024).