Yajie Liu, R. Annie Uthra. “An IoT Based Real-Time Air Quality Monitoring System for Electric Bike Warehouse”. International Journal of Advanced Science and Technology 29, no. 7 (May 13, 2020): 1168 - 1181. Accessed September 30, 2026. http://sersc.org/journals/index.php/IJAST/article/view/15098.