Uji aktivitas antibakteri minuman fungsional ekstrak daun karuk (Piper sarmentosum Roxb. ex Hunter) dengan penambahan jeruk nipis (Citrus aurantifolia Swingle) = Antibacteria activity test of extract functional drink from karuk leaves (Piper sarmentosum Roxb. ex Hunter) with addition lime (Citrus aurantifolia Swingle) juice - Jessica, Marcella (2016)