Manoela Cabo da Silva and  Elton Fernandes and  Ricardo Pacheco and  Heloisa Pires,  Economic Growth Relations to Domestic and International Air Passenger Transport in Brazil.   journal   = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 1476 - 1481
    [viewed 28 May 2022]. Available from: https://publications.waset.org/pdf/10009725.