ArticleIssue Date2013CitationKSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS, v.7, no.9, pp.2299 - 2311PublisherKSII-KOR SOC INTERNET INFORMATION
ArticleIssue Date2013CitationKSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS, v.7, no.7, pp.1624 - 1637PublisherKSII-KOR SOC INTERNET INFORMATION