Thanoon, Radhwan Basem, and Ghada Moayid Al-Naemi. “Improved New Two-Spectral Conjugate Gradient Iterative Technique for Large Scale Optimization”. Kufa Journal of Engineering, vol. 17, no. 1, Feb. 2026, pp. 362-79, https://doi.org/10.30572/2018/KJE/170120.