GUNO SINDHU CHAKRABORTHY; PRASHANT M GHORPADE. Determination of Quercetin by HPTLC in "Calendula Officinalis" Extract. International Journal of Pharma and Bio Sciences, [S. l.], v. 1, n. 1, p. 1–4, 2010. Disponível em: https://ijpbs.net/index.php/journal/article/view/46. Acesso em: 23 jul. 2026.