@Article{482557,
     author = "Agnes Erdosne Nemeth, Laszlo Zsako",
     title = "Online Training and Contests for Informatics Contestants of Secondary School Age",
     year =  2015,
     volume =  ,
     number =  1(11),
     journal =  Edukacja - Technika - Informatyka,
     pages =  s. 273-280,
    }