@article{kostadinov2010a,
  title={A new design of a system for contest management and grading in informatics competitions}
  author={Kostadinov, Bojan and Jovanov, Mile and Stankov, Emil}
  journal={ICT Innovations 2010, Web Proceedings ISSN 1857-7288}
  pages={87--95}
  year={2010}
}