“Comparative Evaluation of Pharmacognostic Characteristics, Phytochemical Composition, and Antioxidant Potential of Cosmos Sulphureus Cav. And Calendula Officinalis L.: A Critical Narrative Review on Flower Colour and Quality Standardisation”. International Journal of Pharmaceutical Research and Medicinal Plants 2, no. 5 (October 30, 2026): 01–11. Accessed November 1, 2026. https://informativejournals.com/journal/index.php/Journal_Medicinal_Plants/article/view/330.