1 "https://www.zdnet.co.kr/view/?no=20190423105307"
2 "https://www.knrec.or.kr/pds/statistics_read.aspx?no=92&searc hfield=&searchword=&page=1"
3 "https://www.energy-charts.de/energy_pie.htm?year=2018"
4 "https://www.eia.gov/todayinenergy/detail.php?id=38752"
5 "https://www.conecomm.com/research-blog/2017-csr-study"
6 "https://www.about.hsbc.co.kr/ko-kr/our-company/sustainability"
7 "https://cleantechnica.com/2019/03/29/uk-renewables-generaterecord-levels-of-electricity-in-2018/"
8 "https://chinaenergyportal.org/en/2018-detailed-electricity-stati stics-update-of-dec-2019/"
9 "http://www.koenergy.co.kr/news/articleView.html?idxno=96050"
10 "http://www.e2news.com/news/articleView.html?idxno=107757"
1 "https://www.zdnet.co.kr/view/?no=20190423105307"
2 "https://www.knrec.or.kr/pds/statistics_read.aspx?no=92&searc hfield=&searchword=&page=1"
3 "https://www.energy-charts.de/energy_pie.htm?year=2018"
4 "https://www.eia.gov/todayinenergy/detail.php?id=38752"
5 "https://www.conecomm.com/research-blog/2017-csr-study"
6 "https://www.about.hsbc.co.kr/ko-kr/our-company/sustainability"
7 "https://cleantechnica.com/2019/03/29/uk-renewables-generaterecord-levels-of-electricity-in-2018/"
8 "https://chinaenergyportal.org/en/2018-detailed-electricity-stati stics-update-of-dec-2019/"
9 "http://www.koenergy.co.kr/news/articleView.html?idxno=96050"
10 "http://www.e2news.com/news/articleView.html?idxno=107757"
11 "http://djsi.or.kr/wp/?page_id=5"
12 Korea Electric Power Corporation, "Statistics of Electric Power in Korea (2018), Vol. 88"
13 S. J. Kim, "Shifts to Renewable Energy that Global Companies Are Driving : RE 100" 42-56, 2018
14 L. Bird, "Policies for Enabling Corporate Sourcing of Renewable Energy Internationally: A 21st Century Power Partnership Report" National Renewable Energy Laboratory 2017
15 H. Wuester, "Corporate Sourcing of Renewables: Market and Industry Trends - REmade Index 2018" International Renewable Energy Agency 2018
16 G. Cook, "Clicking clean: Who is Winning the Race to Build a Green Internet?"