Anwar, David, and Rosslan Edy Santosa. “PLANNING OF THE SANITARY LANDFILL SYSTEM IN SURAKARTA CITY”. IJEEIT : International Journal of Electrical Engineering and Information Technology 3, no. 1 (October 1, 2020): 42 - 50. Accessed December 5, 2025. http://jurnal.narotama.ac.id/index.php/ijeeit/article/view/1158.