Baranowska, W., and M. Kosiorek. “Immigrant Students – Challenge for National Education in the Perspective of the Experience of the Project ‘Portfolio of Integration’ (POI)”. Przegląd Badań Edukacyjnych (Educational Studies Review), vol. 1, no. 18, Dec. 2014, pp. 233-48, doi:10.12775/PBE.2014.016.