1. Sadrossadat J, Hooshyari Z, Sadrossadat L. The construction and norm-finding of rating scale in elderly stressors. Iranian Journal of Ageing. 2013; 8(1):24-32. [Persian]
2. Parpaee R, Kakaberaei K. The effectiveness of logotherapy on decreasing depression and anxiety in the elderly women with empty nest syndrome. Aging Psychology. 2018; 4(1):51-9.
3. Khaledian M, Sohrabi F. Effectiveness of group logotherapy on reducing depression and increasing hope in elderly with empty nest syndrome. Clinical Psychology Studies. 2014; 4(15):79-104.
4. Problems and Strategies in the Treatment of Mental Disorders in Elderly Patients with Physical Illness.
5. Ageing and health [Internet]. [cited 2020 Oct 1]. Available from: https://www.who.int/news-room/fact-sheets/detail/ageing-and-health.