Ali Omer, Shilan, شیلان, Nabeel Sabeh Othman, and نبیل. 2008. “Diazotised Suhphanilic Acid Reagent for the Determination of Trace Amounts of Cephadroxil in Aqueous Solution – Application to Pharmaceutical Preparations”. Journal of Education and Science (JES) 21 (3):23-33. https://doi.org/10.33899/edusj.2008.56045.