@misc{_2021,
 address={Wrocław},
 howpublished={online},
 year={2021},
 publisher={Wydawnictwo Naukowe EDUsfera. Ewa Jurczyk-Romanowska},
 language={pol},
 abstract={The aim of the work was to compare the intensity of perfectionism in the study subjects, considering their division by sex, place of residence and family structure.},
 keywords={perfectionism, sex, youth, demographic factors},
}