List of Articles سعید حاجی زاده Article 1 - An Efficient Numerical Algorithm For Solving Linear Differential Equations of Arbitrary Order And Coefficients S. Hatamzadeh-Varmazyar Z. Masouri International Journal of Industrial Mathematics , Issue 2 , Year , Spring 2018 Article 2 - A Fast and Accurate Expansion-Iterative Method for Solving Second Kind Volterra Integral Equations S. Hatamzadeh-Varmazyar Z. Masouri International Journal of Industrial Mathematics , Issue 1 , Year , Winter 2018 Article 3 - Numerical Solution of Second Kind Volterra and Fredholm Integral Equations Based on a Direct Method Via Triangular Functions S. Hatamzadeh-Varmazyar Z. Masouri International Journal of Industrial Mathematics , Issue 2 , Year , Spring 2019