Jumaah, H.J., S. Mansor, and B. Pradhan. “UAV-Based PM 2.5 Monitoring for Small-Scale Urban Areas”. International Journal of Geoinformatics 14, no. 4 (December 1, 2018). Accessed May 16, 2024. https://journals.sfu.ca/ijg/index.php/journal/article/view/1234.