Martono, Y., and A. Rohman. “QUANTITATIVE ANALYSISOF STEVIOSIDE AND REBAUDIOSIDE A IN STEVIAREBAUDIANA LEAVES USING INFRARED SPECTROSCOPY AND MULTIVARIATE CALIBRATION”. International Journal of Applied Pharmaceutics, Vol. 11, no. 1, Jan. 2019, pp. 38-42, doi:10.22159/ijap.2019v11i1.28029.