Taameh , N. . ., S. . . Abas, and A. . . Hamade. “Extraction of Phenolic Compounds from (Hops,grape Seeds ) and Study Its Antioxidant Activity”. Tishreen University Journal -Basic Sciences Series, vol. 39, no. 5, Oct. 2018, https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4015.