R. Kartika, B. Bustanussalam, F. Farida, and P. Simanjuntak, “Identification of Cadalene-β-Carboxylic Acid from Barks of Bawang Hutan (Scorodocarpus borneensis Becc.)”, Ann. Bogor., vol. 16, no. 2, pp. 19–22, Dec. 2012.