1. Anonymous. (s.a.), https://unfccc.int/process/the-paris-agreement/status-of-ratification.
2. Tokyo aims to realize "hydrogen society" by 2020, We are Tomodachi, Spring 2016;Anonymous,2016
3. HySA infrastructure: producing and using hydrogen for energy in South Africa;Barrett,2013
4. Accelerating the fuel cell industry in South Africa;Jones,2014
5. South African department of energy: integrated resource plan 2018;Anonymous,2018