Dr. Kwame Mensah, and Dr. Akosua Owusu. “Design and Development of a Bluetooth-Enabled Portable Spirometer Utilizing Pressure-Volume Analysis for Android-Based Health Monitoring”. International Research Journal of Computer and Electronics Engineering 11, no. 1 (May 11, 2024): 29–36. Accessed October 21, 2026. https://urgcee.org/index.php/ircee/article/view/97.