@ARTICLE{
author={Stojkovic Jelena C,Shetgaonkar Ajay,Stefanov Predrag C,Lekic Aleksandra},
year={2023},
title={Two-layer control structure for enhancing frequency stability of the MTDC system},
journal={INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS},
volume={145},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stojkovic Jelena C,Stefanov Predrag C},
year={2022},
title={A Novel Approach for the Implementation of Fast Frequency Control in Low-Inertia Power Systems Based on Local Measurements and Provision Costs},
journal={ELECTRONICS},
volume={11},
number={11},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stojkovic Jelena C,Lekic Aleksandra,Stefanov Predrag C},
year={2020},
title={Adaptive Control of HVDC Links for Frequency Stability Enhancement in Low-Inertia Systems},
journal={ENERGIES},
volume={13},
number={23},
pages={-},
document_type={Article},
}