1. World Federation of Engineering Organizations (WFEO),World Engineering Day—Engineering for A Healthy Planet: Celebrating the UNESCO Engineering Report (2021). http://www.wfeo.org/world-engineering-day-engineering-for-a-healthy-planet-celebrating-the-unesco-engineering-report/
2. United Nations (UN),The 2030 Agenda for Sustainable Development (2015). https://sdgs.un.org/goals
3. National Academy of Engineering, 14 Grand Challenges for Engineering in the 21st Century (2008). http://www.engineeringchallenges.org/challenges.aspx
4. The US Environmental Protection Agency, P3 Model: People, Planet and Prosperity (2016). https://www.epa.gov/P3
5. Accreditation Board for Engineering Technology, Inc. (ABET), Criteria for accrediting engineering programs: Effective for evaluations during the 2020–2021 accreditation cycle, ABET, Baltimore (2020). https://www.abet.org/accreditation/accreditation-criteria/criteria-for-accrediting-engineering-programs-2020-2021/