Thani, Mohammed Z, Salam A. H Al-Ameri, and Muntadhar Salih Sultan. 2018. “Spectrophotometeric Determination of Ponceau 4R in the Several Beverages Using Mixed Micelles After Cloud Point Extraction”. Al-Nahrain Journal of Science 21 (1): 8-13. https://anjs.edu.iq/index.php/anjs/article/view/145.