Basim A. Hassan, Dr., and Omer M. Esmaeel. “A New Sufficient Descent Conjugate Gradient Method for Nonlinear Optimization”. IRAQI JOURNAL OF STATISTICAL SCIENCES 14, no. 1 (December 1, 2014): 12–24. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/stats/article/view/29163.