%0 Journal Article %A hamraz, S. Sadat, Kohansal, M.R., Ghorbani, M. %T Agro Biodiversity Effects on Farm Production Risk: a Case Study of Wheat Producers in Mashhad %J Agricultural Economics Research %V 2 %N 4 %P 63-76 %D 2010 %R %U https://sanad.iau.ir/fa/Article/1160473