ConferenceIssue Date2008CitationINTERNATIONAL CONFERENCE 2008, pp.143 - 146PublisherKorean Society od Environmental HealthPlaceKO; Cheju National university
ConferenceIssue Date2009CitationInternational Conference on Healthy City and Environmental Health, pp.422 - 424PublisherKorean Society of Environmental HealthPlaceKO