Fawziah M. Al-saar, Kirtiwant P. Ghadle, and Priyanka A. Pathade. “The Approximate Solutions of Fredholm Integral Equations by Adomian Decomposition Method and Its Modification”. International Journal of Mathematics And Its Applications, vol. 6, no. 2 - A, May 2018, pp. 327-36, https://ijmaa.in/index.php/ijmaa/article/view/679.