Najmuddin Ahmad, and Balmukund Singh. “Numerical Accuracy of Errors in Volterra Integral Equation by Using Quadrature Methods”. Malaya Journal of Matematik 9, no. 01 (January 1, 2021): 655–661. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1105.