Alfian, Z., Marpaung, H., Taufik, M., Lenny, S., Andriayani, ., & Samosir, S. (2019). GC-MS Analysis of Chemical Contents and Physical Properties of Essential Oil of Eucalyptus grandis from PT. Toba Pulp Lestari. Asian Journal of Chemistry, 31(10), 2319–2322. https://doi.org/10.14233/ajchem.2019.21620