Hossain, M. A., and S. M. Salehuddin. “Simultaneous Quantification of Sinensetin and Tetramethoxyflavone in Misai Kucing Capsules Using TLC-UV Densitometric Technique”. Journal of Scientific Research, vol. 1, no. 2, Apr. 2009, pp. 403-7, doi:10.3329/jsr.v1i2.2300.