NUGRAHANI, I., and R. FAUZIA. “QUANTITATIVE VIBRATIONAL METHODS DEVELOPMENT AND ITS PERFORMANCE COMPARISON TO COLORIMETRY ON THE ASSAY OF KANAMYCIN SULFATE”. International Journal of Applied Pharmaceutics, vol. 11, no. 4, July 2019, pp. 426-35, doi:10.22159/ijap.2019v11i4.32991.