Khalid, Ibrahim, Sadiq Ullah, Iqbal Saeed Umar, and Heri Nurdiyanto. “The Problem of Solid Waste: Origins, Composition, Disposal, Recycling, and Reusing”. International Journal of Advanced Science and Computer Applications 1, no. 1 (December 30, 2021): 27–40. Accessed May 17, 2025. http://ijasca.org/index.php/ijasca/article/view/6.