Williams, George2008Williams , G 2008 , ' Key strategic issues affecting the airline industry ' , Default journal .1646-3730Revista Lusófona de Ciências AeronáuticasScheduled and charter airlines: current issues and future developments - Key characteristics of airline markets - Market penetration of low cost scheduled airlines - Recent developments in the charter sector - Future prospectsapplication/pdfengopenAccessTRANSPORTES AÉREOSCOMPANHIAS AÉREASINDÚSTRIA AÉREAAIR TRANSPORTAIRLINESAIRLINE INDUSTRYarticle