Pak Dae Won 장원석 2024-01-13T15:33:23Z 2024-01-13T15:33:23Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/108483 English Simultaneous removal of nitrogen and phosphorous in a two-biofilter system Conference 1 Proceedings of 4th International Symposium on Environmental Biotechnology, pp.? Proceedings of 4th International Symposium on Environmental Biotechnology ? ? KO