Febrina D, Febriyanti R, Zam SI, Handoko J, Fatah A, Juliantoni J. Antibacterial Activity Testing and Ethanol Extract Characterization of Oil Palm Fronds (Elaeis guineensis Jacq). Pak. J. Nutr. 2018;17(9):427–433. doi:10.3923/pjn.2018.427.433