Thanh, D.N.T. et al. 2018. Design and Optimization of Hydrophilic Matrix-based Sustained Release Felodipine Tablets. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN). 11, 3 (May 2018), 4136–4144. DOI:https://doi.org/10.37285/ijpsn.2018.11.3.8.