Molla, H. U. ., and G. . Saha. “Numerical Approximations of Fredholm-Volterra Integral Equation of 2nd Kind Using Galerkin and Collocation Methods”. Suan Sunandha Science and Technology Journal, vol. 7, no. 2, Dec. 2022, pp. 15-22, https://li02.tci-thaijo.org/index.php/ssstj/article/view/368.