فهرس المقالات Jafar Biazar المقاله 1 - Shifted Chebyshev Approach for the Solution of Delay Fredholm and Volterra Integro-Differential Equations via Perturbed Galerkin Method 20.1001.1.25885723.2019.11.2.8.9 Kazeem Issa Jafar Biazar Babatunde Yisa Iranian Journal of Optimization , العدد 5 , السنة 11 , بهار 2019 المقاله 2 - Application of Exp-function method to the (2 + 1)-dimensional Calogero Bogoyavlanskii Schiff equation. Z. آیتی ج. بی آزار Iranian Journal of Optimization , العدد 4 , السنة 2 , بهار 2010 المقاله 3 - Exact solutions for wave-like equations by differential transform method ج. بی آزار م. اسلامی Iranian Journal of Optimization , العدد 2 , السنة 7 , زمستان 2015