Nitrogen source recovery efficiency in the catfish farming zero emission integrated system in Mekong delta, Viet Nam - Tran Trung Kien; Duong Mai Linh; Nguyen Thanh Hung; Nguyen Thi Phuong Thao; Tran Van Thanh; Tran Thi Hieu; Nguyen Viet Thang; Le Thanh Son; Tran Le Luu; Hans Schnitzer; Le Thanh Hai (Journal of Environmental Chemical Engineering, 2023)