Đặng THP. Study on effects of aeration mode on Cod and Nitrogen treatment efficiency in waste water from pig livestock after anaeration treatment by submerged biofilter recirculation method . SJ TTU [Internet]. 2021Apr.7 [cited 2024May18];2(2):22-9. Available from: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/96