Resolute, P.; Scheinberg, A.; Oktamalandi, M.; Oktavia Fajriyanti, G. Participatory Action Research and the Circularity of Plastic: Supporting the Itinerant Waste Buyers in Banyuwangi, Indonesia. JoCE 2026, 4 (1). https://doi.org/10.55845/joce-2026-41288.