فهرس المقالات Alireza Vahidi المقاله 1 - Comparing Numerical Methods for the Solution of the Damped Forced Oscillator Problem A. R. Vahidi Gh. Asadi Kordshooli Z. Azimzadeh Iranian Journal of Optimization , العدد 1 , السنة 2 , زمستان 2010 المقاله 2 - Approximate Solution of the Second Order Initial Value Problem by Using Epsilon Modified Block-Pulse Function 20.1001.1.22286225.2019.9.4.4.3 Mahnaz Mohammadi Alireza Vahidi Saeid Khezerloo International Journal of Mathematical Modeling & Computations , العدد 5 , السنة 9 , پاییز 2019