Open Access System for Information Sharing

대한환경공학회, page. 284 - 285, 1998-05-01

한국생물공학회, 1999-10-01

한국산업미생물학회, 1999-10-02

대한환경공학회, 1999-11-01

The ASAE annual international meeting, 1997-01-01

Pacific North West Meeting of The American Society of Agricultural Engineers, 1996-01-01

The ASAE Annual International Meeting, 1997-01-01

The ASAE Annual International Meeting, 1997-01-01

The Kor. Soc. App. Microbial., page. 142 - 153, 1998-10-23

Center for Global Environmental Research, page. 31 - 34, 1999-01-01