@conference{Vic2017,
  author    = {Vićentijević, K., Cvetković, D., Radaković, D., Brkić, D.},
  title     = {Online Courses and Their Impact on Formal Education and Education of Adults},
  booktitle = {Sinteza 2017 - International Scientific Conference on Information Technology and Data Related Research},
  year      = 2017,
  doi       = {10.15308/Sinteza-2017-254-258},
  pages     = {254-258}
}