안규홍 장재수 2024-01-22T00:41:09Z 2024-01-22T00:41:09Z 2022-01-10 1989-12 https://pubs.kist.re.kr/handle/201004/147289 Performance evaluation of conventional and modified rotating biological contactor. 이층식 회전원판법의 평가 Article 3 대한환경공학회지 = Journal of Korean Soc. of Environment, v.11, no.3, pp.63 - 75 대한환경공학회지 = Journal of Korean Soc. of Environment 11 3 63 75