E. Kartadarma, A. Nawawi, and H. ., “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”, J. Teknol Industri Pangan, vol. 18, no. 1, p. 67, May 2010, Accessed: Dec. 27, 2025. [Online]. Available: https://journal.ipb.ac.id/jtip/article/view/4331