Łacina-Łanowski, Artur. “Personal Development As a Correlate of Active Aging. Support for Older Adults in Developing Social Competencies During Training and Workshops”. Exlibris Social Gerontology Journal, vol. 23, no. 2, Apr. 2023, pp. 91–100, doi:10.57655/EXLIBRIS_2_2022_5.