KUNADI, N. R.; ABDUL ROKHMAN, A. M. P. The Policy Analysis For Reducing The Use Of Plastic Bags In Surabaya Using A Problem Trees Analysis Approach. Konferensi Nasional Mitra FISIP, [S. l.], v. 2, n. 1, p. 532–541, 2024. Disponível em: https://journal.unej.ac.id/KONAMI/article/view/958. Acesso em: 21 nov. 2024.