Angelos T. Kottas

Turbofan aero-engine efficiency evaluation: An integrated approach using VSBM two-stage network DEA

Michael A. Madas, Angelos T. Kottas, Michail Bozoudis, 2020 .

Comparative efficiency analysis of major international airlines using Data Envelopment Analysis: Exploring effects of alliance membership and other operational efficiency determinants

Michael A. Madas, Angelos T. Kottas, 2018, Journal of Air Transport Management.