1.
Research and development activities in Belgium: A snapshot of past investment for the country's future
2.
3.
4.
5.
Economic importance of air transport and airport activities in Belgium – Report 2015
Economisch belang van de Belgische havens: Vlaamse zeehavens, Luiks havencomplex en haven van Brussel – Verslag 2006
Economic Importance of Air Transport and Airport Activities in Belgium – Report 2009