Mulyaningsih, S., A. G. Ramadhan, and W. Putranti. “Antibacterial Effect of Cinnamon and Citronella Oils Combination Against Acne-Related Bacteria”. Borneo Journal of Pharmacy, vol. 6, no. 3, Aug. 2023, pp. 305-13, doi:10.33084/bjop.v6i3.4735.