1. IPCC , 2018: Summary for Policymakers , in Global Warming of 1.5°C. An IPCC Special Report on the Impacts of Global Warming of 1.5°C above Pre-Industrial Levels and Related Global Greenhouse Gas Emission Pathways, in the Context of Strengthening the Global
2. M.Nagashima . Japan's Hydrogen Strategy and Its Economic and Geopolitical Implications , 2018
3. The Federal Government , The National Hydrogen Strategy , Federal Ministry for Economic Affairs and Energy , Berlin, Germany , 2020
4. European Commission , A Hydrogen Strategy for a Climate-Neutral Europe , 2020
5. Korea Hydrogen Economy Roadmap 2040 – Policies - IEA , https://www.iea.org/policies/6566-korea-hydrogen-economy-roadmap-2040 , accessed Mar 16, 2022