1. Andreas, G., A. M. Vidaurre-Roche, and J. Rodriguez. (2015). Leading Sustainable Infrastructure. The need of sustainable Infrastructure in Latin America. Harvard University April 2015, Section 1, ISBN-10: 0674000005.
2. Antonio G. (2017). Remarks at the High-level event at COP23. United Nations 15 November 2017 https://www.un.org/sg/en/content/sg/speeches/2017-11-15/secretary-general-cop23-remarks.
3. BRE Group. (2015). CEEQUAL. Retrieved from http://www.ceequal.com.
4. BTS. (2022). Structure and stations, Design Principles. Online access:.
5. Evaluation of existing sustainable infrastructure rating systems for their application in developing countries