Ключові файли

1. Energy efficiency of engines and appliances for transport [Electronic source]. Link: https://www.ncbi.nlm.nih.gov/pmc/ articles/PMC4678126/ – 15.11.2015
2. Future of airline industry [Electronic source]. Link: https://www.iata.org/policy/Documents/iata-future-airline-industry.pdf – 01.12.2017.
3. 10 emerging technologies that are reshaping the flying experience for the airline industry [Electronic source]. Link: https://medium.com/@Robosoft/10-emerging-technologies-that-are-reshaping-the-flying-experiences-for-the-airline-industry-4af86995315 – 10.11.2017