Suci Hardina Rahmawati, Tanto Pratondo Utomo, Sri Hidayati, and Erdi Suroso, “Kajian Ekstraksi Komponen Aromatik Bunga Kopi Robusta (Coffea chanepora)”, J. Trop. Upland Res., vol. 2, no. 1, pp. 121-131, Jun. 2020.