Kurniawan, F. C. “Determination Of Curcumin In Capsule Containing Curcuma Xanthorrhiza Roxb. Extracts By High Performance Liquid Chromatography”. Farmasains : Jurnal Farmasi Dan Ilmu Kesehatan, vol. 2, no. 1, Dec. 2012, doi:10.22219/far.v2i1.1159.