Brown, L.R., 2001. Eco-Economy: Building an economy for the earth. Earth Policy Institute. Norton and Co. New
York. pp. 322
2- Gehlot, D., 2005. Organic Farming: Standards, Accreditation, Certification and Inspectation. Agrobios Publishing,
India. pp. 357. ISBN: 81-7754-237-0
3- Ghorbani, R., Koocheki, A., 2006. Necessity of compilation of organic agriculture standards. Engineering
Inspectation Seasonal. 24: 28-31. (In Persian with English summary).
4- Hass, G., Wetterich, F., Kopke, U., 2001. Comparing intensive, extensified and organic grassland farming in
Southern Germany by process life cycle assessment. Agr. Ecosyst. Environ. 83: 43-53.
5- IFOAM. 2008. Retrieved January 12, 2008, from http:// www.ifoam.org
6- Koocheki, A., 2004. Organic Agriculture: opportunities and challenges. Acad. Sci. 24, 25: 55-95.
7- Koocheki, A., Ghorbani, R., 2005. Traditional agriculture in Iran and development challenges for organic
agriculture. Int. J. Biodiv. Sci. Manag. 11: 1-7.
8- Koocheki, A., Khajehosseini, M., 2008. Modern Agronomy. Jihad-e-Daneshgahi Pub. Mashhad. (In Persian with
9- Lotter, D.W., 2003. Organic agriculture. J. Sustain. Agr. 21(4): 59-128.
10- Mahdavi Damghani, A., 2007. Organic farming in Iran: opportunities and challenges of certification, education and
development. Tropentag Congress on Utilization of diversity in land use systems: Sustainable and organic
approaches to meet human needs, Witzenhausen, Germany.
11- Mahmoodi, H., Mahdavi Damghani, A., Liyaghati, H., 2008. Introduction to organic agriculture. Jihad Daneshgahi
Pub. Mashhad. (In Persian with English summary).
12- Willer, H., Yussefi-Mazle, M., Sorensen, M., 2008. The world of organic agriculture; statistics and emerging
trends. IFOAM, Fibl. Earthscan, London, UK.