TOMASZEK, Katarzyna; MUCHACKA-CYMERMAN, Agnieszka; ADAMCZYK, Marta. Believing in Yourself Matters! The Impact of Classroom Gratitude Week Intervention on Self-Regulation: The Role of Self-Esteem and Self-Effectiveness: An sich selbst zu glauben, ist wichtig! . Przegląd Badań Edukacyjnych (Educational Studies Review), [S. l.], v. 2, n. 47, p. 27–47, 2025. DOI: 10.12775/PBE.2024.015. Disponível em: https://apcz.umk.pl/PBE/article/view/48264. Acesso em: 10 dec. 2025.