@Article{600992,
     author = "Paweł Pęczkowski, Władysław Błasiak",
     title = "Using Eye-Tracking Technology for the Analysis of Students' Subjective Views on Usefulness of Chosen Physics Formulas ",
     year =  2017,
     volume =  ,
     number =  4(22),
     journal =  Edukacja - Technika - Informatyka,
     pages =  s. 192-200,
    }