1. Akbar Jesarati, A. H., Mohammadi, I., Jesarati, A., & Moshiri, R. (2013). The relationship between religious attitude, social relationship with happiness of college students. International Journal of Sciences: Basic and Applied Research, 6(10), 1451–1457.
2. Al-Makhaita, H. M., Ahmed Sabra, A., & Hafez, A. (2014). Job performance among nurses working in two different health care levels, Eastern Saudi Arabia: A comparative study. International Journal of Medical Science and Public Health, 3(7), 832–837.
3. Bagheri Nesami, M., Goudarzian, A., Ardeshiri, M., & Babaie Holari, M. (2015). Self-care behavior and its related factors in the community-dwelling elderlies in Sari. Journal of Clinical Nursing and Midwifery, 4(4), 48–56.
4. de Jager Meezenbroek, E., Garssen, B., Van den Berg, M., Tuytel, G., Van Dierendonck, D., Visser, A., et al. (2012). Measuring spirituality as a universal human experience: Development of the spiritual attitude and involvement list (SAIL). Journal of Psychosocial Oncology, 30(2), 141–167.
5. Dein, S., Cook, C. C., Powell, A., & Eagger, S. (2010). Religion, spirituality and mental health. The Psychiatrist, 34(2), 63–64.