Th. Chilmeran, H., S. A. Al-Taie, and E. Gh. Saeed. “New Parameter of CG-Method for Unconstrained Optimization”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 13, no. 1, June 2019, pp. 22-31, doi:10.33899/csmj.2020.163500 .