Gümrükçü, Gülsah, and Mahmure Üstün Özgür. “Effect of Tannic Acid and Metal Salts on Dyeing of Woolen Fabrics With Red Onion (Alliumcepa L.)”. Asian Journal of Chemistry 23, no. 4 (December 28, 2010): 1459–1466. Accessed July 1, 2024. https://asianpubs.org/index.php/ajchem/article/view/10196.