Simultaneous Equation Technique For The Estimation Of Quercetin And Curcumin By Uv- Visible Spectrophotometry. International Journal of Environmental Sciences, [S. l.], v. 11, n. 12s, p. 1355–1359, 2025. DOI: 10.64252/x7k3fs44. Disponível em: http://theaspd.com/index.php/ijes/article/view/2569.. Acesso em: 7 oct. 2026.