Kartadarma, E., Nawawi, A., & ., H. (2010). PENENTUAN KUANTITATIF ZAT WARNA KARMOSIN,PONCEAU 4R DAN MERAH ALURA YANG DITAMBAHKAN DALAM MINUMAN AGREM (Hibiscus sabdariffa, Linn) [Quantitative Determination of Carmoisine, Ponceau 4R and Allura Red Colouring Agents Added Into Softdrink Containing the. Jurnal Teknologi Dan Industri Pangan, 18(1), 67. https://journal.ipb.ac.id/jtip/article/view/4331