@ARTICLE{
author={Kuljanin Jovana G,Kalic Milica Dj,Caggiani Leonardo,Ottomanelli Michele},
year={2019},
title={A comparative efficiency and productivity analysis: Implication to airlines located in Central and South-East Europe},
journal={JOURNAL OF AIR TRANSPORT MANAGEMENT},
volume={78},
number={},
pages={152-163},
document_type={Article; Proceedings Paper},
} 

