Khalil K. Abbo, and Hisham M. Khudhur. “New A Hybrid Hestenes-Stiefel and Dai-Yuan Conjugate Gradient Algorithms for Unconstrained Optimization”. Tikrit Journal of Pure Science 21, no. 1 (February 4, 2023): 118–123. Accessed July 3, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/961.