SHAREEF, Salah G.; IBRAHIM, Alaa L. A New Conjugate Gradient for Unconstrained Optimization Based on Step Size of Barzilai and Borwein. Science Journal of University of Zakho, [S. l.], v. 4, n. 1, p. 104–114, 2016. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/311. Acesso em: 28 feb. 2026.