Modifikasi permukaan mikropartikel poly lactic co-glycolic acid dengan surfaktan kationik didecyldimethylammonium bromide ddab dan surfaktan amfoterik betaine hydrochloride = Modification of poly lactic co glycolic acid surface with cationic surfactant didecyldimethylammonium bromide ddab and amphoteric surfactant betaine hydrochloride - Deviani Nabila Ridovi, author (2016)