List of Articles تابع تولید Open Access Article Abstract Page Full-Text 1 - Estimated production function and productivity of the olive production in zanjan (tarom city case study) Yadollah rajaei Shaghayegh Ketabian Open Access Article Abstract Page Full-Text 2 - Estimated the potential added value in major economic sectors of Iran with Kalman filter کامبیز هژبر کیانی محمد نقیبی Open Access Article Abstract Page Full-Text 3 - Analysis of Gilan by the production and productivity of rice processing industry DEA SH Kavosi مصطفی Ebrahim por azbari مهدی KHayati