Bofarraj, Mabrouka A., et al. “Prevalence of Congenital Heart Disease Among Preterm Newborns Between 28 and 35 Weeks Admitted at Al Bayda Medical Center, Libya (2021)”. Al-Mukhtar Journal of Sciences, vol. 39, no. 1, Sept. 2025, pp. 35-44, https://doi.org/10.54172/k331vc52.