Tawfiq, L.N.M. and Hussein, R.W. (2017) “Efficient Semi-Analytic Technique for Solving Nonlinear Singular Initial Value Problems”, Ibn AL-Haitham Journal For Pure and Applied Sciences, 27(3), pp. 513–522. Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/316 (Accessed: 22 November 2024).