Winata, I Nyoman, 		Sjaifullah, Achmad, 		Cahyani, Dita J., AND 		Ayu, Woro D..
" Onoceranoid Triterpene from Langsep Leaf (Lansium domesticum Corr.) and Its Insecticide Activity to Spodoptera littura Larvae" <em>Jurnal ILMU DASAR</em> [Online], Volume 18 Number 1 (16 May 2017)