Sha, O., Liao, Y., Zhou, Y., Liang Zhang, S., & Ma, W. (2013). Determination of Cefoperazone Sodium in Pharmaceutical Formulations by Fe3+-Phenanthroline Spectrophotometry. Asian Journal of Chemistry, 25(11), 5965–5967. https://doi.org/10.14233/ajchem.2013.14204