Lisnik, Anton, and Rafał Parczewski. “The Use of Unmanned Aerial Vehicles in Environmental Education”. Journal of Vasyl Stefanyk Precarpathian National University 9, no. 1 (April 27, 2022): 37–43. Accessed November 21, 2024. https://ktipe.pnu.edu.ua/index.php/jpnu/article/view/6168.