Ocampo JM. Self-rated health: Importance of use in elderly adults. Colombia Médica. 2010;41(3):275-89.

Brunner LS. Brunner & Suddarth's textbook of medical-surgical nursing: Lippincott Williams & Wilkins; 2010.

Koochaki G, Hojjati H, Sanagoo A. The relationship between loneliness and life satisfaction of the elderly in Gorgan and Gonbad cities. 2012. (Full Text in Persian)

Sguizzatto GT, Garcez-Leme LE, Casimiro L. Evaluation of the quality of life among elderly female athletes. São Paulo Medical Journal. 2006;124(5):304-

Adams KB, Sanders S, Auth E. Loneliness and depression in independent living retirement communities: Risk and resilience factors. Aging & mental health. 2004;8(6):475-85.

McInnis GJ, White JH. A phenomenological exploration of loneliness in the older adult. Archives of psychiatric nursing. 2001;15(3):128-39.

Ibrahim E. Al-Sanavatol Moteakherat Men-Al-Omr. Beirut: Dar-Al-Elm; 1977.p.11. (Full Text in Arabic)

The holy Quran. Al-Room. Verse 54. Translated by: Mohammad Mahdi Fouladvand. Tehran: Justice Message Publications; 2016.

The holy Quran. Al-Asra. Verse 21. Translated by: Mohammad Mahdi Fouladvand. Tehran: Justice Message Publications; 2016.

The holy Quran. Al-Maryam. Verse 14. Translated by: Mohammad Mahdi Fouladvand. Tehran: Justice Message Publications; 2016.

The holy Quran. Al-Vahl. Verse 90. Translated by: Mohammad Mahdi Fouladvand. Tehran: Justice Message Publications; 2016.

The holy Quran. Al-Asra. Verse 23-24. Translated by: Mohammad Mahdi Fouladvand. Tehran: Justice Message Publications; 2016.

Hazrat-e Rasool. Nahj al-Fisahah, Translated by: Abolqasim Payandeh. Tehran: Javidan Publishing Organization.p.22; 1984. (Full Text in Persian)

Tossi A. Tahzib al-Ahkam: Dar Al-Taaref for the press; 1993.vol 6.p.229. (Full Text in Arabic)

Majlesi MB. Bihar al-Anvar. Beirut: Dar Ehya Altoras al-Arabi; 1982.vol 2.p:137. (Full Text in Arabic)

Bonomi AE, Patrick DL, Bushnell DM, Martin M. Validation of the United States' version of the world health organization quality of life (WHOQOL) instrument. Journal of clinical epidemiology. 2000;53(1):1-12.

Salehi L, Salaki S, Alizadeh L. Health-related quality of life among elderly member of elderly centers in Tehran. Iranian Journal of Epidemiology. 2012;8(1):14-20. (Full Text in Persian)

Canbaz S, Sunter AT, Dabak S, Peksen Y. The prevalence of chronic diseases and quality of life in elderly people in Samsun. Turkish Journal of Medical Sciences. 2003;33(5):335-40.

Borglin G, Edberg A-K, Hallberg IR. The experience of quality of life among older people. Journal of aging studies. 2005;19(2):201-20.

Howell DM, Cleary KK. Rural seniors' perceptions of quality of life. Physical & Occupational Therapy in Geriatrics. 2007;25(4):55-71.

Bowling A, Gabriel Z. Lay theories of quality of life in older age. Ageing Soc. 2007;27(6):827-48.

Warfield JN. Developing interconnection matrices in structural modeling. IEEE Transactions on Systems, Man, and Cybernetics. 1974(1):81-7.

Muduli K, Govindan K, Barve A, Kannan D, Geng Y. Role of behavioural factors in green supply chain management implementation in Indian mining industries. Resources, conservation and recycling. 2013;76:50-60.

Wang G, Wang Y, Zhao T. Analysis of interactions among the barriers to energy saving in China. Energy Policy. 2008;36(6):1879-89.

Azar A, Khosravani F, Jalali R. Research on soft operations Structural approaches. 1 ed: Industrial Management Institute; 2013. (Full Text in Persian)

Mathiyazhagan K, Govindan K, NoorulHaq A, Geng Y. An ISM approach for the barrier analysis in implementing green supply chain management. Journal of cleaner production. 2013;47:283-97.

Esmaeili R, Abedsaeidi Z, Ashktorab T. The philosophy of human relationship and moral principle in medical sciences. Quarterly of Medical Ethics. 2011;5(16):79-93. (Full Text in Persian)

Esmaeili R, Esmaeili M. Quality of life in the elderly: A meta-synthesis. J Res Relig Health. 2018;4(2):105-16. (Full Text in Persian)

Kazemi N, Sajjadi H, Bahrami G. Quality of life in Iranian elderly. 2019. (Full Text in Persian)