@ARTICLE{
author={Cai Xinyu,Milojevic Marko,Syromyatnikov Denis,Kurilova Anastasia,Slusarczyk Beata},
year={2021},
title={Mathematical Interpretation of Global Competition between Payment Systems},
journal={MATHEMATICS},
volume={9},
number={17},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Bozic Zorana M,Dobromirov Dusan,Arsic Jovana,Radisic Mladen M,Slusarczyk Beata},
year={2020},
title={Power Exchange Prices: Comparison of Volatility in European Markets},
journal={ENERGIES},
volume={13},
number={21},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Leber Marjan,Ivanisevic Andrea V,Borocki Jelena,Radisic Mladen M,Slusarczyk Beata},
year={2018},
title={Fostering Alliances with Customers for the Sustainable Product Creation},
journal={SUSTAINABILITY},
volume={10},
number={9},
pages={-},
document_type={Article},
}