Soni, Prakash Kumar, and T R Saini. “NON-IONIC SURFACTANT VESICLES (NIOSOMES) BASED NOVEL OPHTHALMIC FORMULATION OF TIMOLOL MALEATE”. Journal of Drug Delivery and Therapeutics, vol. 7, no. 7, Dec. 2017, pp. 59-61, https://doi.org/10.22270/jddt.v7i7.1587.