N.M. Tawfiq, Luma, and Mariam M. Hilal. “Solution of Nonlinear 2nd Order Multi-Point BVP By Semi-Analytic Technique”. AL-Rafidain Journal of Computer Sciences and Mathematics 10, no. 2 (June 12, 2013): 113–121. Accessed September 25, 2025. https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36482.