A. . Garshasbi, H. . Khosropour, N. Rahimian, A. Behrooz, and S. Sedighi, “Determining the Role of Inefficiency on Elasticity of Output Supply and Input Demand: A Case Study of Irrigated Wheat in 27 provinces of Iran”, 5005, vol. 4, no. 1, pp. 82–95, Jan. 2014.