S. Petik, Krisztina, Anikó Kézdy, and Fruzsina Kocsis. “Learning Projects and Their Background Motivations: Relationships With Mental Health in Midlife and Later Life”. European Journal of Mental Health 8, no. 2 (December 15, 2013), 187–211. Accessed November 23, 2024. https://ejmh.semmelweis.hu/test/index.php/ejmh/article/view/102.