R. Nasution, A. I. Azwar, H. Helwati, and Marianne, “Antibacterial Activities of Perfume: Combination Flower Magnolia alba, Cananga odorata and Mimusops elengi L, Fixed with Pogostemon cablin Oil”, Indonesian J. of Pharmaceutical and Clinical Res., vol. 2, no. 1, pp. 19–23, May 2019.