@misc{Szumski_Grzegorz_Parents’, author={Szumski, Grzegorz and Karwowski, Maciej}, howpublished={online}, publisher={Educational Research Institute}, language={pol}, title={Parents’ engagement into education of lower secondary school students with and without the special educational needs – which stategies bring expected results?}, type={article}, keywords={special educational needs, parental’ engagement, academic achievement, lower secondary school}, }