Zulfiryansyah, F. et al. 2022. Air Quality Monitoring System using Unmanned Aerial Vehicle (UAV) Quadcopter Type: Sistem Monitoring Kualitas Udara menggunakan Unmanned Aerial Vehicle (UAV) Jenis Quadcopter. Procedia of Engineering and Life Science. 2, 2 (Jun. 2022). DOI:https://doi.org/10.21070/pels.v2i2.1244.