Hidajati, Nurul, AND 		Suyatno, Suyatno.
" Synthesis of a Sunscreen Compound n-Octyl Para-Menthoxy Cinnamat using Ethyl Para-Methoxy Cinnamat Isolated from Kencur Tuber (Kaemferia galanga L.) as Raw Material" <em>Jurnal ILMU DASAR</em> [Online], Volume 9 Number 1 (15 January 2008)