List of Articles پژوهش و توسعه Open Access Article Abstract Page Full-Text 1 - The effect of Corporate Governance System Factors on Business unit Research and Development Expenses with emphasis on Economic Sanctions Conditions Mohammadreza Abbasi Astamal Akbar Abbaspour Open Access Article Abstract Page Full-Text 2 - Factors Influencing Growth of Crop Production and Horticulture Subsectors in Iran. فهیمه Barkhordar امیر Mohammadinejad Open Access Article Abstract Page Full-Text 3 - The Effect of Domestic and Foreign Agricultural Research and Development Cost Accumulation on Rural Income Distribution in Iran ابوالفضل Shahabadi فریبا Mehry Telyabi