Uji Aktivitas Antioksidan Ekstrak Daun Karet Kebo (Ficus Elastica) dengan Metode Peredaman Radikal Bebas Dpph (1,1-Diphenyl-2-Picrylhydrazil): Antioxidant Assay of Ficus Elastica Extract Leaf with Dpph Free Radical Scavenging (1,1-diphenyl-2-phycrilhydrazyl) - Handayani, Selpida (Universitas Tadulako, 2020)