فهرست مقالات ali Seifi مقاله 1 - A New Method for Solving Two-Dimensional Fuzzy Fredholm Integral Equations of The Second Kind 20.1001.1.25382217.2021.15.2.3.4 Mohsen Darabi Nouredin Parandin Mahmoud Paripour Ali Seifi Theory of Approximation and Applications , شماره 1 , سال 15 , بهار 2021