Cut Laila Karmila, and Diah Ayu Kuswardani. “Factors Influencing The Implementation Of Waste Management Policies By The Yogyakarta City Environmental Service”. Jurnal Scientia, Vol. 13, no. 03, June 2024, pp. 124-39, https://seaninstitute.org/infor/index.php/pendidikan/article/view/2481.