Ansari, Soraia, keramatzadeh, ali, Rezaee, Azam, Ghorbani, Khalil (2022) ‘Estimation of Water Demand Function in Rice Production in Gorgan County: Application of the Seemingly Unrelated Regression (SUR) Method’, Agricultural Economics Research, 14(2), pp. 51-34. doi:10.30495/jae.2022.23722.2114