@misc{Boyarchuk_Artem_Comparative,
 author={Boyarchuk, Artem},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 title={Comparative analysis of models and platforms for the e-learning portals, Journal of Telecommunications and Information Technology, 2006, nr 2},
 type={artykuł},
 keywords={services, portal systems, components, technological platforms},
}