@ARTICLE{
author={Zlatkovic Dejan,Vajdic Nevena,Tica Slaven M,Mladenovic Goran M,Queiroz Cesar},
year={2017},
title={Remuneration models and revenue risk mitigation in road public-private partnership projects - a case study from Serbia},
journal={TRANSPORTATION PLANNING AND TECHNOLOGY},
volume={40},
number={2},
pages={228-241},
document_type={Article},
} 

@ARTICLE{
author={Domingues Sergio,Zlatkovic Dejan},
year={2015},
title={Renegotiating PPP Contracts: Reinforcing the 'P' in Partnership},
journal={TRANSPORT REVIEWS},
volume={35},
number={2},
pages={204-225},
document_type={Article},
}