You may also wish to search for items by Hiong, A. and Hiong.
Only one matching reference was found.
bin Jantan, I.; Ayop, N.; Hiong, A.B.; Ahmad, A.S., Chemical composition of the essential oils of Cinnamomum cordatum Kosterm, Flavour Fragr. J., 2002, 17, 3, 212-214, https://doi.org/10.1002/ffj.1075 . [all data]