ZAWADZKA, Anna Maria. When does self-improvement undermine materialistic tendencies, and when does it strengthen them?. Current Issues in Personality Psychology, [S. l.], v. 6, n. 1, p. 17–25, 2018. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/CIiPP/article/view/8146. Acesso em: 22 lip. 2024.