1- Abdollahi S. 2008. Exploring prospects of development of organic farming in Iran, Planning and Research Institute of Agricultural Economics, Ministry of Agriculture.
2- Aertsens J., Huylenbroeck G., and Verbeke W. 2011. Organic food as an emerging market: personal determinants of consumption, supply governance and retail strategies, phd dissertation, Ghent University. Faculty of Bioscience Engineering.
3- Boccaletti S., and Nardella M. 2000.Consumer willingness to pay for pesticide-free fresh fruit and vegetables in Italy.J. Int. Food Agribus. Man. 3: 297-310.
4- Cowan C., Carthy M., and Riodan N. 2000. Irish cosumers` willingness to pay for Safe Beef. Journal of Consumer Research 32:146-153.
5- Ghorbani M., Mahmoudi H., and Liaghati H. 2007. Consumers` demands and preferences for organic food, A survey study in Mashhad, Iran. Poster presented at the 3rd QLIF Congress: Improving Sustainability in organic and low input food production system, University ofHohenheim, Germany, March 20-23.
6- Ghorbani M., Liaghati H., and Nemati F. 2011. Factors potentially affecting demand for agricultural credit for converting to organic production of greenhouse cucumber in Khorasan Razavi Province, Journal of Environmental Sciences, 8 (3): 35-45.
7- Haghjou M., Hyati B., Mohammadrezaei R., Pishbahar A., and Dashti Gh. 2011. Potential factors affecting consumers' willingness to pay premium price for healthy food products: Case Study: Agricultural Jihad Organization of East Azerbaijan province, Journal of agricultural science and sustainable production, 21 (3):105-117.
8- Hayati B., Pishbahar A., and Hghjou M. 2002. The analysis of the determinants of consumers' willingness to pay extra for fruit and vegetables free of pesticides in the city of Marand, Agricultural Economics and Development, 25: 469-479.
Iran organic association website: www.iranorganic.com
9- Lashkari A. 2009.The role of sustainable agriculture in the food supply safe, Master's dissertation, Ferdowsi University of Mashhad.
10- Loureiro M., Jill J., and Mccluskey R. 2002. Will consumers pay a premium for eco-labeled apples?, Journal of Consumer Affair 36: 203 - 217.
11- Mahmoudi H., Mahdavi Damghani A., and Liaghati H. 2008.Introduction to Organic Farming (bio), Jehad Daneshgahi Publications, Mashhad.
12- Ngigi M. W., Okello J. J., Lagerkvist C. J., Karanja N., and Mburu J. G. 2010. Assessment of developing-country urban consumers’ willingness to pay for quality of leafy vegetables: The case of middle and high income consumers in Nairobi, Kenya. In Selected paper presented at African Association of Agricultural Economists meetings. pp. 19-23.
13- Parliament Research Center, Exploring The Status of Organic Farming in Iran. 2011. Infrastructure studies office report.
14- Rajabi A., Pouratashi M., and Fami M. 2011. Exploring Knowledge and people's tendency towards the purchase and consumption of organic products, First National Congress of agricultural science and new technologies.
15- Rezapanah M. 2010. Representation of the trends of research and development in the production of organic products in Iran, Proceedings of the Second Conference of healthy and organic products.
16- Schobesberger R. B., Darnhofer I., Suthichai S., and Vogl C. 2007.Consumer perception of organic foods in Bangkok, Thiland.Journal of Food Policy. 33: 112-121.
17- Sharma S. 1996. Applied Multivariate Techniques, Newyork. Willey and Son.
18- Spector L., and Mazzeo M. 1980.Probit Analysis and Economic Education. Journal of Economic Education, 11:37-44.
19- Temesgen Y. 2015.Valuing community based forest landscapes restoration: bivariate probit analysis for degraded forest lands in North Western Ethiopia. Journal of Marketing and Consumer Research, 8:59-63.
20- The World of Organic Agriculture - Statistics and Emerging Trends .2012.Research Institute of Organic Agriculture (FiBL), Frick, and International Federation of Organic Agriculture Movements (IFOAM), Bonn.
21- Wang Q., and Sun J. 2003. Consumer preference and demand for organic food: Evidence from a Vermont survey. In American Agricultural Economics Association Annual Meeting, Montreal, Canada. PP. 27-30.