@misc{Koniewski_Maciej_Together, author={Koniewski, Maciej and Mazelanik, Robert}, howpublished={online}, publisher={Educational Research Institute}, language={pol}, title={Together or apart? A research review on the continuing controversy of the effectiveness of single-sex education}, type={article}, keywords={sociology of education, educational research, single-sex education, coeducation, evidence-based policy}, }