A. Omer, S., M. M. Sehree, and N. S. Othman. “Indirect Spectrophotometric Methods for the Determination of Cefadroxil in Its Pure and Pharmaceutical Preparations”. Rafidain Journal of Science, vol. 26, no. 1, June 2017, pp. 56-65, doi:10.33899/rjs.2017.139095.