Yusniah, A., Y. Nur, and I. Ahmad. “Ekstraksi Polifenol Total Dari Daun Kadamba (Mitragyna Speciosa Korth.) Menggunakan Malic Acid-Glucose Based Microwave Assisted Extraction”. Proceeding of Mulawarman Pharmaceuticals Conferences, Vol. 10, no. 1, Oct. 2019, pp. 147-50, doi:10.25026/mpc.v10i1.381.