@misc{Sitek_Michał_Changes,
 author={Sitek, Michał},
 howpublished={online},
 publisher={Educational Research Institute},
 language={eng},
 type={article},
 title={Changes in educational inequalities in Poland. Comments on Zbigniew Sawiński’s article “Education reform and inequality: fifteen years of new lower secondary schools in Poland”},
 keywords={school effectiveness, educational achievement, educational inequalities, school selection, social origin, educational pathways},
}