Mentor and social support as factors of resilience and school success : analyses of life narratives of university students from marginalized Roma communities - Hafičová, Hedviga; Dubayová, Tatiana; Kovács, Edina; Ceglédi, Timea; Kaleja, Martin, 1981- (Ośrodek Wydawniczo-Poligraficzny "SIM" Hana Bicz, 2020)