Sivakumar, R., R. Jayaprakasam, V. Renuga, and C. Sasikumar. “Investigation on Eco-Friendly Natural Dyes: Chemistry, Dyeing and Antimicrobial Properties of Helichrysum Bracteatum”. Asian Journal of Chemistry 21, no. 8 (March 30, 2010): 5960–5966. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/12276.