Hussain, A. F., Dawood, A. H. and Kadhier, A. F. (2011) “New Method of Synthesis of Calix-4-arenes as Analytical Reagent for Spectrophotometric Determination of Iron (III)”, Al Mustansiriyah Journal of Pharmaceutical Sciences, 10(2), pp. 19–33. doi: 10.32947/ajps.v10i2.293.