Zinjad, Sanchay S, et al. “Solubility Enhancment of Azithromycin by Solid Dispersion Method by Using Polymer PVP K 90”. Journal of Drug Delivery and Therapeutics, vol. 9, no. 3, May 2019, pp. 121-4, https://doi.org/10.22270/jddt.v9i3.2617.