Dinata, Muryani, F. Widhi Mahatmanti, and Siti Miswadi. “KITOSAN BEAD SULFAT SEBAGAI PENURUN KADAR ZAT WARNA YELLOW IRK”. Indonesian Journal of Chemical Science 2, no. 1 (May 1, 2013). Accessed May 15, 2025. http://journal.unnes.ac.id/sju/ijcs/article/view/1215.