LESZCZYŃSKA-REJCHERT, Anna. Categories important in the preparation of people in middle adulthood for age-related changes in the perspective of geragogy – theoretical sketch. Exlibris Social Gerontology Journal, [S. l.], v. 27, n. 2, p. 103–120, 2025. DOI: 10.57655/EXLIBRIS_2_2024_6. Disponível em: https://ojs.wsb.edu.pl/index.php/bgs/article/view/1332. Acesso em: 22 sep. 2026.