Van-Truc Nguyen, Xuan-Thanh Bui*, Hong-Anh Nguyen, Chitsan Lin, Hong-Hai Nguyen, Thi-Dieu-Hien Vo**, Le-Luu Tran, Thanh-Binh Nguyen, Manh-Ha Bui, Duy-Trinh, Dinh-Duc Nguyen, Soon Woong Chang (2021)/Influence of plant types, bed media and feeding patterns on wastewater treatment performance of wetland roofs