Van Asch, T., W. Dewulf, F. Kupfer, H. Meersman, E. Onghena, and E. Van de Voorde. “AIR CARGO AND AIRPORT COMPETITIVENESS”. Journal of Air Transport Studies, Vol. 10, no. 2, July 2019, pp. 48-75, doi:10.38008/jats.v10i2.142.