فهرس المقالات Two-dimensional stochastic Fredholm integral equation حرية الوصول المقاله صفحة الملخص نص كامل 1 - APPROXIMATION SOLUTION OF TWO-DIMENSIONAL LINEAR STOCHASTIC FREDHOLM INTEGRAL EQUATION BY APPLYING THE HAAR WAVELET Morteza Khodabin Khosrow Maleknejad Mohsen Fallahpour