2024. Low-cost and Efficient Quadrotor for Medicine Delivery and IoT based Air Quality Monitoring: QUADROTOR FOR MEDICINE DELIVERY & IOT BASED AIR QUALITY MONITORING. Journal of Scientific & Industrial Research (JSIR). 83, 10 (Oct. 2024), 1104–1113. DOI:https://doi.org/10.56042/jsir.v83i10.8876.