“An Approximate Solutions of Two Dimension Linear Mixed Volterra- Fredholm Integral Equation of the Second Kind via Iterative Kernel Method”. Raparin Journal of Humanities (RJH) 6, no. 2 (October 23, 2019): 101–110. Accessed February 6, 2026. https://journal.raparinuni2024.org/index.php/JUR/article/view/141.