Siswanto, Andrew, 		Sutanto, Erwindo, 		Fahaby, Fadel, 		Merrinda, Siska, AND 		Utomo Lili, Theodorus.
" Fluktuasi Harga Minyak Gaharu: Analisis Lintas Negara Produsen Minyak Gaharu di Asia" <em>Indonesian Business Review</em> [Online], Volume 1 Number 1 (15 February 2018)