Khalil, K. ., C. . Moustapha, and A. . Mahfoud. “Estimation of Total Phenolic Compounds In Olive Leaves As Biomarker For Assessing The Lead Pollution At Banias Area”. Tishreen University Journal -Basic Sciences Series, vol. 40, no. 6, Dec. 2018, https://journal.tishreen.edu.sy/index.php/bassnc/article/view/5715.