Kumar, Utlanta, and Arup Roy. “Formal–Informal Integration in Urban Solid Waste Management for a Sustainable Circular Economy: A Systematic Literature Review ”. International Journal of Management and Development Studies 15, no. 9 (September 15, 2026): 01–20. Accessed September 25, 2026. https://www.ijmds.in/index.php/IJMDS/article/view/136.