@misc{Prihonska_Jana_Presentation_2007,
 author={Prihonska, Jana},
 type={artykuł},
 publisher={Wydawnictwo Akademii im. Jana Długosza w Częstochowie},
 title={Presentation software and it's use in teaching mathematics},
 address={Częstochowa},
 year={2007},
 language={eng},
}