Hasmita, Ida, Adisalamun Adisalamun, Pocut Nurul Alam, Satriana Satriana, Mahlinda Mahlinda, and M. Dani Supardan. 2015. “Effect of Drying and Hydrodistillation Time on the Amount of Ginger Essential Oil”. International Journal on Advanced Science, Engineering and Information Technology 5 (5):300-303. https://doi.org/10.18517/ijaseit.5.5.567.