Rahman, Md. Mofizur, et al. “FORMULATION AND IN-VITRO EVALUATION OF ORAL SUSTAINED RELEASE DRUG DELIVERY SYSTEM FOR LAMIVUDINE MATRIX TABLETS USING METHOCEL K15M CR POLYMER”. European Scientific Journal, ESJ, vol. 10, no. 24, Aug. 2014, doi:10.19044/esj.2014.v10n24p%p.