Velmurugan C, and Anurag bhargava. “Total Phenolic, Flavonoids and Tannin Content of Various Extracts from Pyrus Communis Fruit”. International Journal of Pharmacy and Analytical Research 3, no. 4 (November 22, 2014): 384–390. Accessed April 17, 2026. https://ijpar.com/index.php/ijpar/article/view/569.