1. Environment and Climate Changehttps://www.worldsteel.org/steel-by-topic/environment-climate-change.html
2. Cement and concrete industry integral part of the circular economy;Rohan;Roman. J. Mater.,2016
3. World Steel Association Life Cycle Inventory Studyhttps://www.worldsteel.org/steel-by-topic/life-cycle-thinking.html
4. Steel—The Permanent Material in the Circular Economy, World Steel Associationhttp://circulareconomy.worldsteel.org/
5. Environmental performance indicators for decision making and stakeholder interests;Costoiu;Environ. Eng. Manag. J.,2016