ديب . ج. ., البودي ح. ., and تقلا م. . . “Ulvan Extraction from Two Types of Green Algae Ulva and Studying the Effect of PH and Temperature on the Yield”. Tishreen University Journal -Biological Sciences Series, vol. 43, no. 6, Jan. 2022, pp. 45-56, https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/11570.