Cahyono, Hendrik, and Ertien Rining Nawangsari. “Implementation of Waste Management Policy in Simokerto District, Surabaya City”. Formosa Journal of Multidisciplinary Research 3, no. 12 (December 26, 2024): 4615–4630. Accessed February 11, 2025. https://journal.formosapublisher.org/index.php/fjmr/article/view/12332.