Basim A. Hassan, Ibrahim Sulaiman Mohammed, Alaa Luqman Ibrahim and , F.F.A. 2025. A Novel Conjugate Gradient Algorithm for Unconstrained Optimization and Its Application in COVID-19 Data Parameterization. Zanco Journal of Pure and Applied Sciences. 37, 3 (Jun. 2025), 82–92. DOI:https://doi.org/10.21271/ZJPAS.37.3.7.