Rosari, Irene Christy (2003) Uji Aktivitas Peredaman Radikal Bebas Ekstrak Metanol Herba Urang-Aring (Eclipta Alba L. Hassk) dan Sawi Langit (Vernonia Cinerea (L.) Less) terhadap Radikal Bebas DPPH (1,1-diphenyl-2-picryl hydrazyl. [Undergraduate thesis]