SofyaningsihM.; SugiyonoD.; SetyaningsihD. RETENSI VANILIN DAN PERUBAHAN WARNA EKSTRAK PEKAT VANILI SELAMA PENYIMPANAN [Vanillin Retention and Color Changes of Concentrated Vanilla Extract During Storage]. Jurnal Teknologi dan Industri Pangan, v. 22, n. 2, p. 110, 29 Dec. 2011.