1. Sanou, B.: ICT Facts and Figures 2017 (2017)
2. Harteveldt, H.: The Future Of Airline Distribution A Look Ahead To 2017. IATA Atmospeheric Res. Gr. pp. 1–35 (2016)
3. Ivey, S.: The importance of usability and accessibility in design.
https://careerfoundry.com/en/blog/ux-design/the-importance-of-usability-and-accessibility-in-design/
4. WHO: World Report on Disability - Summary. World Rep. Disabil. 2011, pp. 1–23 (2011)
5. Reid, L.G., Snow-Weaver, A.: Wcag 2.0. In: Proceedings of 2008 International Cross-disciplinary Work. Web Access - W4A 2008, p. 109 (2008)