List of Articles Ordered-Logit Model Open Access Article Abstract Page Full-Text 1 - Assessment of Factors Influencing Consumers’ Willingness to Pay for Organic Chicken in Urmia SH Amiyan محمد Kavoosi Kalashami زهرا Amir سیامک Gheibi Open Access Article Abstract Page Full-Text 2 - Factors Affecting Consumers Willingness to Pay for Organic Cucumber in Urmia محمد Khodaverdizadeh