Efthymiou, Marina ORCID: 0000-0001-8611-5973 (2021) Air traffic control policy framework advancements vis-a-vis regional airports. In: Graham, Anne ORCID: 0000-0003-0978-8781, Adler, Nicole, Niemeier, Hans-Martin, Betancor, Ofelia, Antunes, António Pais, Bilotkach, Volodymyr, Calderon, Enrique J. and Martini, Gianmaria ORCID: 0000-0001-9503-4999, (eds.) Air Transport and Regional Development Policies. Routledge (Taylor & Francis), Abingdon, UK. ISBN 9780367533144

Hiney, Noel, Efthymiou, Marina ORCID: 0000-0001-8611-5973 and Morgenroth, Edgar L.W. ORCID: 0000-0002-9442-0561 (2021) Regional airport business models: The Shannon Group as a case study. In: Graham, Anne ORCID: 0000-0003-0978-8781, Adler, Nicole, Niemeier, Hans-Martin, Betancor, Ofelia, Antunes, António Pais, Bilotkach, Volodymyr, Calderon, Enrique J. and Martini, Gianmaria ORCID: 0000-0001-9503-4999, (eds.) Air Transport and Regional Development Case Studies. Routledge (Taylor & Francis), Abingdon, UK. ISBN 9780367533144

Warnock-Smith, David ORCID: 0000-0002-1887-3278, Graham, Anne ORCID: 0000-0003-0978-8781, O'Connell, John F. and Efthymiou, Marina (2021) Impact of COVID-19 on air transport passenger markets: examining evidence from the Chinese market. Journal of Air Transport Management, 94 . ISSN 0969-6997

Efthymiou, Marina ORCID: 0000-0001-8611-5973 and Papatheodorou, Andreas ORCID: 0000-0001-9484-7517 (2018) Evolving airline and airport business models. In: Halpern, Nigel ORCID: 0000-0003-3913-7197 and Graham, Anne ORCID: 0000-0003-0978-8781, (eds.) The Routledge Companion to Air Transport Management. Routledge, Abingdon, UK. ISBN 9781138641372