CIŻKOWICZ, B. Learned Helplessness as a Mediating Variable between the Attributional Style and Academic Achievement. Przegląd Badań Edukacyjnych (Educational Studies Review), [S. l.], v. 1, n. 24, p. 79–100, 2017. DOI: 10.12775/PBE.2017.005. Disponível em: https://apcz.umk.pl/PBE/article/view/PBE.2017.005. Acesso em: 23 apr. 2024.