1. Abounoori, E., & Asgarizadeh, D. (2013). Macroeconomic factors affecting happiness. International Journal of Business and Development Studies, 5(1), 5-22.
2. Nighttime Lights Revisited: The Use of Nighttime Lights Data as a Proxy for Economic Variables;Addison;World Bank Policy Research Working Paper No,2015
3. Beautiful faces have variable reward value: fMRI and behavioral evidence;Aharon;Neuron,2001
4. Cherlin, A. J. (2021). Public and Private Families (9th ed.). New York: McGraw-Hill.
5. Clark, A. E (2006). A note on unhappiness and unemployment duration. Applied Economics Quarterly, 52(4), 291-308.