@article{vasileva2012increasing,
  title={Increasing students' motivation by using social networks in and out of the classrooms}
  author={Vasileva, Marina and Trajkovik, Vladimir and Samardzic, Olga and Karbeva, Slavica and Videnovic, Maja}
  journal={ICT Innovations 2012, Web Proceedings ISSN 1857-7288}
  pages={17--24}
  year={2012}
}