“Collaborative Governance in Plastic Waste Recycling in Medan City: Integrating Informal Sector, Community Participation, and Policy”. Kolaborasi : Jurnal Administrasi Publik 11, no. 1 (April 30, 2025): 26–37. Accessed February 8, 2026. https://journal.unismuh.ac.id/index.php/kolaborasi/article/view/17422.