Ali, Khdija. “Serum Tumor Markers CA15-3 and CEA for Early Breast Cancer Detection in a Low-Resource Population: A Cross-Sectional Study from Al-Jufra, Libya”. Wadi Alshatti University Journal of Pure and Applied Sciences, vol. 4, no. 1, May 2026, pp. 362-6, https://doi.org/10.63318/waujpasv4i1_50.