Identifikasi komponen lipofilik fraksi n-heksan spons Agelas nakamurai asal Pulau Randayan Kalimantan Barat (Identification of lipophilic component of n-hexane fraction on Agelas nakamurai Sponge from Randayan Island, West Kalimantan) - Sapar, Ajuk (Hasanuddin University, 2013)