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), [S. l.], v. 83, n. 10, p. 1104–1113, 2024. DOI: 10.56042/jsir.v83i10.8876. Disponível em: https://or.niscpr.res.in/index.php/JSIR/article/view/8876. Acesso em: 13 may. 2026.