انجمن اقتصاد کشاورزی ایران Agricultural Economics 2008-5524 11 3 2017 11 22 Abstract Abstract 184 196 31660 10.22034/iaes.2017.31660 FA Journal Article 2018 07 01 https://www.iranianjae.ir/article_31660_d279b7b85cdc6930ed48a94c79f7a92d.pdf