1. United Nations E-Government Survey 2010: Leveraging E-government at a Time of Financial and Economic Crisis,2010
2. United Nations E-Government Survey 2012: E-Government for the People,2012
3. United Nations E-Government Survey 2014: E-Government for the Future We Want,2014
4. https://elaw.klri.re.kr/kor_service/lawView.do?hseq=45844&lang=ENG