AL-Bugami, A., and J. G. Al-Juaid. “Some Numerical Techniques For Solving Nonlinear Fredholm-Volterra Integral Equation”. Journal of Progressive Research in Mathematics, Vol. 13, no. 3, May 2018, pp. 2296-10, http://scitecresearch.com/journals/index.php/jprm/article/view/1483.