KartadarmaE., NawawiA., 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”. Jurnal Teknologi Dan Industri Pangan, Vol. 18, no. 1, 1, p. 67, https://journal.ipb.ac.id/index.php/jtip/article/view/4331.