M. Taupik, M. Adam Mustapa, F. A. Radjak, A. M. Andy Suryadi, and M. Aprianto Paneo, “Major Sesquiterpenes of Patchouli Leaf Essential Oil (Pogostemon cablin Benth.): A GC-MS Study”, JPNP, vol. 2, no. 2, pp. 20–28, Jun. 2025.