Aref Eshghi, T., Raheli, H., Ghahremanzadeh, M., Dashti, G. (2017). 'Determining the Premium Rates of Area Yield Crop Insurance Using Non-parametric Method: the Case Study of Wheat and Barley in East Azerbaijan Province', Agricultural Economics, 11(2), pp. 51-73. doi: 10.22034/iaes.2017.21225