Ali Jabbar Ouda Al-Nasrawi. 2026. “An Adaptive Coordinate-Stretched Spectral Collocation–QLM Scheme for Singularly Perturbed Boundary-Layer Problems”. Journal of Al-Qadisiyah for Computer Science and Mathematics 18 (1):Math 122–135. https://doi.org/10.29304/jqcsm.2026.18.12524.