@misc{Szubstarska_Janina._Changes,
 author={Szubstarska, Janina.},
 howpublished={online},
 publisher={Wydawnictwo UMCS},
 language={eng},
 type={artykuł},
 title={Changes at the job market in Poland in 1990-1993},
 keywords={ekonomia, prasa ekonomiczna, czasopisma naukowe},
}