Al-Sharif, Maha, and Mohaned Alkbuer. “Sharp Convergence of the Green’s Function–Homotopy Perturbation Method and Detection of Turning Points in Nonlinear Boundary Value Problems: Journal of Applied Science (JAS) Volume 16 – Issue (1)- 2026”. Journal of Applied Science, June 2026, https://jas.sabu.edu.ly/index.php/JS/article/view/325.