TANTI, C. A. LALANGI, E. ARFIYANI, W. NINGTIAS, and E. N. MAULIDA. “MITRAGYNINE PERCENTAGES OF VARIOUS KRATOM VARIANTS SEIZED IN INDONESIA: A QUANTITATIVE ANALYSIS USING LIQUID CHROMATOGRAPHY-PHOTO DIODE ARRAY DETECTOR”. International Journal of Applied Pharmaceutics, vol. 13, no. 5, Sept. 2021, pp. 252-6, doi:10.22159/ijap.2021v13i5.41910.