Hussain, Alaa F., Ashour H. Dawood, and Ahmed Fadhil Kadhier. “New Method of Synthesis of Calix-4-Arenes As Analytical Reagent for Spectrophotometric Determination of Iron (III)”. Al Mustansiriyah Journal of Pharmaceutical Sciences 10, no. 2 (December 1, 2011): 19–33. Accessed April 30, 2024. https://ajps.uomustansiriyah.edu.iq/index.php/AJPS/article/view/293.