10. FAO yearbook. (2010-2012). Food and Agriculture Statistics, Food and Agriculture Organization of the United Nations, Rome. Retrieved from: www.faostat.fao.org
11. Fayers, P. M., & Machin, D. (2000). Quality of life assessment, Analysisand interpretation. New York: Jhon Willy. Inc., US.
12. FiBL/IFOM yearbook. (2016). The world of organic agriculture, Statistics and Emerging trend. Research Institute of Organic Agriculture FiBL. IFOAM- Organic International. Switzerland. Retrieved from: http://www. Fibl.org.
13. Folope, V., Chapelle, C., Grigioni, S., Coëffier, M., & Déchelotte, P. (2012). Impact of eating disorders and psychological distress on the quality of life of obese people. Nutrition, 28(7), 7-13.
14. Garsia, J. (2015). Willingness to pay for organic and fair trad certified yellow chili peppers. British Food Journal, 117(2): 929-942.
15. Ghasemi, V. (2013). Structural equation modeling in social preceding studies using Amos Graphic.Tehran: Sociologists. (In Farsi).
16. Guillemin, I., Marrel, A., Arnould, B., Capuron, L., Dupuy, A., Ginon, E., ... & Urdapilleta, I. (2016). How French subjects describe well-being from food and eating habits? Development, item reduction and scoring definition of the Well-Being related to Food Questionnaire. Appetite, 96, 333-346.
17. Hanley, N., Mourato, S., & Wright, R. E. (2001). Choice modelling approaches: a superior alternative for environmental valuatioin? Journal of economic surveys, 15(3), 435-462.
18. Hanley, N., Mourato, S., & Wright, R. E. (2001). Choice modelling approaches: a superior alternative for environmental valuatioin?. Journal of economic surveys, 15(3), 435-462.
19. Hanson, J. A., & Benedict, J. A. (2002). Use of the Health Belief Model to examine older adults' food-handling behaviors. Journal of Nutrition Education and Behavior, 34, S25-S30.
20. Hickson, M., & Frost, G. (2004). An investigation into the relationships between quality of life, nutritional status and physical function. Clinical Nutrition, 23(2), 213-221.
21. Hughner, R. S., McDonagh, P., Prothero, A., Shultz, C. J., & Stanton, J. (2007). Who are organic food consumers? A compilation and review of why people purchase organic food. Journal of Consumer Behaviour, 6(2‐3), 94-110.
22. Ministry of Jahad-e-Keshvarzi (2014). Iran Agricultural yearbook. Deputy of Planning and Development Management. Office of Budget and Planning, 84-85 PP. (In Farsi).
23. Kesse-Guyot, E., Baudry, J., Assmann, KE., Galan, P., Hercberg, S., & Lairon, D.(2017). Prospective association between consumption frequency of organic food and body weight change, risk of overweight or obesity: results from the NutriNet-Santé Study. The British Journal of Nutrition, 117(2), 325-334.
24. Khaledi, M., Gray, R., Weseen, S., & Sawyer, E. (2007). Assessing the barriers to conversion to organic farming: An institutional analysis. Canada: Department of Agricultural Economics, University of Saskatchewan.
25. King, C. R., & Hinds, P. (1998). Overview of quality of life and controversial issues. Quality of Life from Nursing and Patient Perspective. Sudbury: Jones and Bartlett Press, 29-44.
26. Kuyken, W., Orley, J., Hudelson, P., & Sartorius, N. (1994). Quality of life assessment across cultures. International Journal of Mental Health, 23(2), 5-27.
27. Lind, N. (2016). Legatum Prosperity Index. In Encyclopedia of quality of life and well-being research (pp. 52). Springer Netherlands.Retrieved from: http:// www.prosperity.com.
28. Louviere, J. J., Hensher, D. A., & Swait, J. D. (2000). Stated choice methods: analysis and applications. Cambridge: University Press.
29. Mahmoudi, H., & Mahdavi Damghani, A. (2009). Organic agriculture in Iran. Enviromental Science Research Institute (ESRI). Shahid Beheshti University, Tehran, Iran. (In Farsi).
30. Mohammadian, M., & Bakhshandeh, GH. (2014). Factors affecting consumer attitudes and green purchase intention. Journal of Management Studies in Development & Evolution, 23 (75), 39-68. (In Farsi).
31. Merino, A. (2005). Eliciting consumers preferences using stated preference discrete choice models: contingentranking versus choice experiment.Working Papers, Research Center on Health and Economics705, Spain: Department of Economics and Business, University of Pompeu Fabra.
32. Nejat, S., Montazeri, A., Holakouie Naieni, K., Mohammad, K., & Majdzadeh S. (2006). The World Health Organization quality of Life (WHOQOL- BREF) questionnaire: Translation and validation study of the Iranian version. Journal of School of Public Health & Institute of Public Health Research, 4 (4), 1-12. (In Farsi).
33. Pakiz, B., Flatt, S. W., Mills, K. C., Jordan, L. J., Carethers, J. M., & Rock, C. L. (2005). Quality of life and diet intervention in individuals at risk for recurrence of colorectal adenomas. Psycho‐Oncology, 14(2), 85-93.
34. Papzan, A., & Shiri, N. (2012). Study of barriers toward development of organic farming. Journal of Space Economy and Rural Development, 1(1), 113-126. (In Farsi).
35. Rana, J., & Paul, J. (2017). Consumer behavior and purchase intention for organic food: A review and research agenda. Journal of Retailing and Consumer Services. 38 (2), 157–165
36. Razavi, S. H. (2016). The status of organic agriculture in Iran, compared to a few selected countries. Tehran: Ministry of Jahad-e-Keshvarzi, Deputy of Planning and Development Management. Office of Budget and Planning, Iran. (In Farsi).
37. Rehber, E., & Turhan, S. (2002). Prospects and challenges for developing countries in trade and production of organic food and fibres - The case of Turkey. British Food Journal, 104 (3/4/5), 371-390.
38. Sandoghi, A., Amini, A. M. and Yousefi, A. (2015). Determination of consumers' preferences for conventional, healthy and organic cucumbers in Isfahan city using choice experiment method. Journal of Agricultural Economics & Development. 29(2). 139-149. (In Farsi)
39. Tarkiainen, A., Sundqvist, S. )2005(. Subjective norms, attitudes and intentions of Finnish Consumers in buying organic food. British Food Journal. 107 (10-11), 808-822.
40. Tavakkoli, H., & Tabaian, R. (2015). Effects of Quality of life and environmental attitudes on the willingness of consumer and willingness to pay for green products: an experimental study in chain stores in Isfahan County. Proceedings of first Annual Conference on Management and Business Economics. 18 December 2015.: Iranian Consortium of National Content (ICNC), Tehran, Iran, pp 23-26. (In Farsi).
41. Waltz, E. (1999). Final results of the third national organic farmerssurvey. Germany: Organic Farming Research Foundation. 126pp. FiBL.
42. Whoqol Group. (1998). Development of the World Health Organization WHOQOL-BREF quality of life assessment. Psychological medicine, 28(3), 551-558.
43. World Health Organization. (1996). WHOQOL-BREF: introduction, administration, scoring and generic version of the assessment: field trial version, December 1996.
44. Yazdanpanah, M & Hasheminezhd, A. (2015). Comparison on Predicting Power of the Theory of Planned Behavior and Health Beliefs Model in Assessing Studentsí Intention toward use of Organic Foods. Iranian Journal of Agricultural Economics and Development Research. 46 (4), 811- 825. (In Farsi)
45. Yiridoe, E. K., Bonti-Ankomah, S., & Martin, R. C. (2005). Comparison of consumer perceptions and preference toward organic versus conventionally produced foods: a review and update of the literature. Renewable Agriculture and Food Systems, 20(04), 193-205.
Zielinska-Więczkowska, H., Kędziora-Kornatowska, K., & Ciemnoczołowski, W. (2011). Evaluation of quality of life (QoL) of students of the University of Third Age (U3A) on the basis of socio-demographic factors and health status. Archives of Gerontology and Geriatrics, 53(2), e198-e202.