B. Padmasri, R. Kalyani, V. Anilkumar, D. Prasanth, and M. Indu. “Preparation and Evaluation of Adipic Dihydrazide Cross-Linked Hyaluronic Acid Microspheres for Cephalexin”. Journal of Applied Pharmaceutical Research, vol. 9, no. 1, Mar. 2021, pp. 30-36, doi:10.18231/JOAPR.2021.9.1.30.36.