1. Ministry of Trade, Industry and Energy, “Roadmap to revitalize the hydrogen economy”, Ministry of Trade, Industry and Energy, 2019. Retrieved from https://www.motie.go.kr/motie/py/td/tradefta/bbs/bbsView.do?bbs_cd_n=72&cate_n=3&bbs_seq_n=210222.
2. A Study on Social Issues for Hydrogen Industry Using News Big Data
3. Hydrogen Council, “Hydrogen meets digital”, Hydrogen Council, 2018. Retrieved from https://hydrogencouncil.com/en/hydrogen-meets-digital/.
4. National Fuel Cell Electric Vehicle Learning Demonstration Final Report
5. M. Robinius, J. Linßen, T. Grube, M. Reuß, P. Stenzel, K. Syranidis, P. Kuckertz, and D. Stolten, “Comparative analysis of infrastructures: hydrogen fueling and electric charging of vehicles”, Jülich, 2018. Retrieved from https://juser.fz-juelich.de/record/842477/files/Energie_Umwelt_408_NEU.pdf.