GABBASA, Mohamed A; SALEM, Badria A; ALAJAMI, Maryam M. Measuring the Concentration of Preservative Benzoic Acid of Tomato Paste Samples by Spectrophotometer Analyzer. University of Zawia Journal of Natural Sciences, [S. l.], v. 2, n. 1, p. 20–25, 2025. DOI: 10.26629/uzjns.2025.04. Disponível em: https://journals.zu.edu.ly/index.php/UZJNS/article/view/1035. Acesso em: 9 feb. 2026.