An Approximated Solutions for nth Order Linear Delay Integro-Differential Equations of Convolution Type Using B-Spline Functions and Weddle Method . Baghdad Sci.J [Internet]. 2014 Mar. 2 [cited 2024 Dec. 19];11(1):166-77. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1547