Tawfiq, L. N.M. and Yassien, S. M. (2017) “Solution of High Order Ordinary Boundary Value Problems Using Semi-Analytic Technique”, Ibn AL-Haitham Journal For Pure and Applied Sciences, 26(1). Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/535 (Accessed: 21 July 2024).