List of Articles simultaneous system Open Access Article Abstract Page Full-Text 1 - The Identification of Optimal Incomes Tax on Growth Goal, Optimal Control Method M. Rajabi M. Ebne Ebrahim khajui J. Mir-Mohammad Sadeghi Open Access Article Abstract Page Full-Text 2 - Investigating the effect of agricultural investment on poverty, income distribution and migration in rural areas of Iran Mostafa Baniasadi Reza Mohseni