Helmy Yusuf, NIDN. 0015077901 and Raditya Weka Nugraheni and Dwi Setyawan, NIDN. 0030117104 (2019) Effect of cellulose derivative matrix and oligosaccharide on the solid state and physical characteristics of dimethyldioctadecyl ammonium-liposomes for vaccine. Research in Pharmaceutical Sciences, 14 (1). pp. 1-11. ISSN 1735-9414

Raditya Weka Nugraheni and Dwi Setyawan, NIDN. 0030117104 and Helmy Yusuf, NIDN. 0015077901 (2017) Physical Characteristics of Liposomal Formulation Dispersed in HPMC Matrix and Freeze-Dried Using Maltodextrin and Mannitol as Lyoprotectant. Pharmaceutical Sciences, 23 (4). pp. 285-292. ISSN 2383-2886

Helmy Yusuf and Raditya Weka Nugraheni and Dwi Setyawan (2017) Physical Characteristics of Liposomal Formulation dispersed in HPMC Matrix and Freeze-Dried using Maltodextrin and Mannitol as Lyoprotectan. Pharmaceuticals Journal, 23.