Cam Quyen, Ngo Thi, et al. “Essential Oil Hydrodistillation Process from Vietnamese Calamondin (Citrus Microcarpa) Peels and GC MS Analysis of Essential Oils Components”. Asian Journal of Chemistry, vol. 31, no. 11, Sept. 2019, pp. 2585-8, doi:10.14233/ajchem.2019.22148.