Kinetic Spectrophotometric Determination of Gemifloxacin Mesylate and Moxifloxacin Hydrochloride in Pharmaceutical Preparations Using 4-Chloro-7-nitrobenzo-2-oxa-1,3-diazole - Mohammed G. Abdel Wahed; Ragaa El Sheikh; Ayman A. Gouda; Sayed Abou Taleb (Journal of Spectroscopy)