Appala Raju, N., J. Venkateswara Rao, K. Vanitha Prakash, and K. Mukkanti. 2010. “Spectrophotometric Estimation of Cefprozil Sulphate in Pharmaceutical Formulations”. Asian Journal of Chemistry 20 (8):6051-55. https://asianpubs.org/index.php/ajchem/article/view/13057.