Okdeh , M. ., J. . Dib, and M. . Obeid. “Determination of Naproxine in Its Pure Form and in Some Pharmaceuticals by Vis-Spectrophotometry Using the Chrome Azrol S”. Tishreen University Journal -Basic Sciences Series, vol. 41, no. 4, Sept. 2019, https://journal.tishreen.edu.sy/index.php/bassnc/article/view/9002.