عبيد م., محمد هارون, and مـــــالك عقدة. “Developing a New Spectrophotometric Method for Analyzing Valsartan by Forming a Colored Complex With the Organic Reagent AAN and Studying Its Pharmaceutical Applications”. Tishreen University Journal -Basic Sciences Series, vol. 46, no. 4, Dec. 2024, pp. 137-51, https://journal.tishreen.edu.sy/index.php/bassnc/article/view/17335.