ISOLATION AND STRUCTUREELUCIDATIONSOF RESVERATROLOLiGOMERS FROM STEM BARK OF Dryobalanops lanceolata Isolasl dan Penentuan Struktur Oligomer Resveratrol darl Kullt Batang Dryobalanops lanceolata - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 2008)