“Optimization and Validation of RP-HPLC-UV VIS Method for Determination Some Antioxidants in Dry Calyces of Iraqi Hibiscus Sabdraffia Linn”. Baghdad Science Journal 12, no. 1 (December 30, 2018): 119–126. Accessed January 26, 2025. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2942.