“Separation and Determination of Some Organic Acids in Dry Calyces of Iraqi Hibiscus Sabdariffa Linn ”. Baghdad Science Journal 12, no. 2 (June 7, 2015): 340–349. Accessed January 19, 2025. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2075.