KWIATEK , Piotr. Gratitude: obstacles and enhancement strategies in the frame of contemporary psychology. Seminare. Studies in Youth and Society, [S. l.], v. 32, p. 151–163, 2023. DOI: 10.21852/sem.2012.32.12. Disponível em: https://czasopisma.uksw.edu.pl/s/article/view/11288. Acesso em: 11 nov. 2026.