TY - GEN A1 - Wójcik, Małgorzata A1 - Hełka, Anna A1 - Kozak, Beata A1 - Błońska, Marta A1 - Garbarciuk, Anna A1 - Małczak, Małgorzata PB - Educational Research Institute L1 - http://www.jbc.bj.uj.edu.pl/Content/409118/PDF/3-8-wojcik-i-in-zapobieganie-wykluczeniu-rowiesniczemu.pdf L2 - http://www.jbc.bj.uj.edu.pl/Content/409118 KW - social and educational psychology KW - lower-secondary school bullying KW - peer group exclusion T1 - Social innovation to mitigate peer group exclusion in education UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/409118 ER -