Irawan, Eka, 		Sari, Lusia, AND 		Prasetyo, Andreas.
" FORMULATION AND OPTIMIZATION OF CARBOPOL AND ETHYL CELLULOSE AS FLOATING-MUCOADHESIVE SYSTEM OF DILTIAZEM HYDROCHLORIDE TABLET BY FACTORIAL DESIGN" <em>UNEJ e-Proceeding</em> [Online], (27 January 2017)