Tecson, Gwendolyn R.Tinio, Irma Lou B.Visaya, Blesila F.2025-02-212025-02-211996-03https://selib.upd.edu.ph/etdir/handle/123456789/4801enAirlineTrafficDeregulated airline industryEconomies of traffic density in a deregulated airline industry: the Philippine caseThesis