Acharya, Ankit, et al. “Formulation and Development of Divalproex Sodium Bi-Layered Tablets Using Superdisintegrants and Release Retardant Polymers”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 10, no. 2, Mar. 2017, pp. 3669-75, doi:10.37285/ijpsn.2017.10.2.5.