فهرست مقالات Elnaz Poorfattah مقاله 1 - Direct method for solving nonlinear two-dimensional Volterra-Fredholm integro-differential equations by block-pulse functions Elnaz Poorfattah Akbar Jafari Shaerlar International Journal of Information, Security and Systems Management , شماره 1 , سال 4 , زمستان 2015
