Huseen, S., and R. Shlaka. “The Regularization Q-Homotopy Analysis Method for (1 and 2) - Dimensional Non-Linear First Kind Fredholm Integral Equations”. Journal of Progressive Research in Mathematics, Vol. 15, no. 3, Nov. 2019, pp. 2721-43, http://scitecresearch.com/journals/index.php/jprm/article/view/1789.