Mindeel. M. Al-Abrahemee, D. “Design Collocation Neural Network for Solve Regularly Perturbed Problems With Initial and Boundary Conditions”. Al-Qadisiyah Journal of Pure Science, Vol. 21, no. 4, July 2017, pp. 18-32, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/6.