Abdulqader, A. J. “Numerical Solution for Solving Nonlinear Fuzzy Fractional Integral Equation by Using Approximate Method”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 6, Nov. 2017, pp. 8-17, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8345.