Roy, H. “FORMULATION AND DESIGN OF EXTENDED RELEASE MATRIX TABLETS OF ZIDOVUDINE HYDROCHLORIDE: A STUDY ON EFFECT OF VARIOUS GRADES OF ETHOCEL AND HPMC”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 10, no. 3, Mar. 2018, pp. 138-44, doi:10.22159/ijpps.2018v10i3.24258.