Kurniawan, Rifqi. “Antibacterial Activity Test Of ∆-Guaiene Patchouli Oil Against Bacteria Staphylococcus Aureus and Staphylococcus Epidermis”. Gontor Agrotech Science Journal 6, no. 3 (December 1, 2020): 425–436. Accessed April 27, 2025. https://ejournal.unida.gontor.ac.id/index.php/agrotech/article/view/5052.