Sriwidodo, Toto Subroto, Iman Permana Maksum, Anas Subarnas, Bethary Kesumawardhany, Desak Made Diah Dwi Lestari and Abd. Kakhar Umar 2020. Preparation and Optimization of Chitosan-hEGF Nanoparticle Using Ionic Gelation Method Stabilized by Polyethylene Glycol (PEG) for Wound Healing Therapy. International Journal of Research in Pharmaceutical Sciences. 11, 1 (Feb. 2020), 1220–1230.