KHALIL K. ABBO; HISHAM M. KHUDHUR. New A hybrid conjugate gradient Fletcher-Reeves and Polak-Ribiere algorithm for unconstrained optimization. Tikrit Journal of Pure Science, [S. l.], v. 21, n. 1, p. 124–129, 2023. DOI: 10.25130/tjps.v21i1.962. Disponível em: https://tjpsj.org/index.php/tjps/article/view/962. Acesso em: 18 jun. 2025.