Hilda Rifani, Muh. Ilham, and Rizki Amalia. “Policy Implementation Obligation to Use Environmentally Friendly Shopping Bags in DKI Jakarta”. INFOKUM, Vol. 13, no. 04, June 2025, pp. 1098-19, https://seaninstitute.org/infor/index.php/infokum/article/view/2900.