Hidayati, R., D. Rahmawati, and I. Ahmad. “Ekstraksi Polifenol Total Dari Daun Kadamba (Mitragyna Speciosa Korth) Menggunakan Metode Choline Chloride-Sorbitol Based Microwave Assisted Extraction”. Proceeding of Mulawarman Pharmaceuticals Conferences, vol. 10, no. 1, Oct. 2019, pp. 131-4, doi:10.25026/mpc.v10i1.377.