K. Abbo, Khalil, Khalil, Farah H. Mohammed, and Farah. 2025. “Spectral Fletcher-Reeves Algorithm for Solving Non-Linear Unconstrained Optimization Problems”. IRAQI JOURNAL OF STATISTICAL SCIENCES 11 (1):21-38. https://rjps.uomosul.edu.iq/index.php/stats/article/view/20603.