@ARTICLE{
author={Bjelobaba Goran,Savic Ana M,Tosic Teodora,Stefanovic Ivana,Kocic Bojan M},
year={2023},
title={Collaborative Learning Supported by Blockchain Technology as a Model for Improving the Educational Process},
journal={SUSTAINABILITY},
volume={15},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Bjelobaba Goran,Paunovic Marija V,Savic Ana M,Stefanovic Hana Z,Doganjic Jelena,Miladinovic-Bogavac Zivanka},
year={2022},
title={Blockchain Technologies and Digitalization in Function of Student Work Evaluation},
journal={SUSTAINABILITY},
volume={14},
number={9},
pages={-},
document_type={Article},
}