1. Saptarshi, S. M., & Zhou, C. (2019). Basics of 3D printing: Engineering aspects. In M. Dipaola (Ed.), 3D printing in Orthopaedic surgery. ISBN 978-0-323-58118-9.
2. Noh, H. M., Benito, A., & Alonso, G. (2016). Study of the current incentive rules and mechanisms to promote biofuel use in the E.U. And their possible application to the çivil aviation sector. Transportation Research Part D: Transport and Environment, 46, 298–316. https://doi.org/10.1016/j.trd.2016.04.007
3. Ma, F., Cao, W., Luo, Y., & Qiu, Y. (2016). The review of manufacturing technology for aircraft structural part. Procedia CIRP, 56, 594–598. https://doi.org/10.1016/j.procir.2016.10.117
4. Centreforaviation Website. Global air travel growth faces limitation from slow aircraft deliveries. Retrieved January, 12, 2024. https://centreforaviation.com/analysis/reports/global-air-travel-growth-faces-limitation-from-slow-aircraft-deliveries-669289
5. Statista Website. (2024). Worldwide number of Airbus aircraft deliveries from 2002 to 2021. Retrieved January, 12. https://www.statista.com/statistics/264493/airbus-worldwide-aircraft-deliveries/