Tasisa, Dr. Buli Yohannis, et al. “Machine Learning Based Massive Leaf Falling Detection For Managing The Waste Disposal Efficiently”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 1, Feb. 2021, pp. 288-97, https://www.cibgp.com/index.php/1323-6903/article/view/559.