Kamfa, Kamilu, Rabiu Bashir Yunus, and Muhammad Auwal Lawan. “AN IMPROVED HYBRID CONJUGATE GRADIENT METHOD WITH SPECTRAL STRATEGY AND ITS APPLICATIONS IN COVID-19 PREDICTION”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 19, no. 4 (September 1, 2025): 2803-2814. Accessed November 14, 2025. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/17857.