AKBAR, M. H., HARMITA and SURYADI, H. (2020) “PREPARATION AND CHARACTERIZATION OF HYDROXYPROPYL METHYLCELLULOSE PRODUCED FROM α-CELLULOSE BETUNG BAMBOO (DENDROCALAMUS ASPER) AND IT’S EVALUATION ON GEL FORMULATION”, International Journal of Pharmacy and Pharmaceutical Sciences, 12(8), pp. 156-165. doi: 10.22159/ijpps.2020v12i8.38066.