“DIFFERENTIATION OF THE WHITE AND PURPLE FLOWER FORMS OF Orthosiphon Aristatus (Blume) Miq. BY 1D and 2D CORRELATION IR SPECTROSCOPY”.
Jurnal Teknologi (Sciences & Engineering)
, vol. 77, no. 3, Oct. 2015,
https://doi.org/10.11113/jt.v77.6010
.