TY - THES T1 - Optimisation and characterisation of nanoemulsion containing Hibiscus sabdariffa L. extracts for topical effectiveness in skin hydration A1 - Mohamad, Nur Royhaila LA - English YR - 2019 UL - http://discoverylib.upm.edu.my/discovery/Record/oai:ethesis.upm.edu.my:15811 ER -