Team, S. “Euler-Taylor Matrix Method for Solving Linear Volterra-Fredholm Integro-Differential Equations With Variable Coefficients: Teeranush Suebcharoen”. Thai Journal of Mathematics, vol. 16, no. 2, Aug. 2018, pp. 401-13, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/802.