Melshandi, Hettiarachchige Dona Sachindra, Jayanetti Koralalage Ramani Radhika Samarasekera, Shiroma Mangalika Handunnetti, Ovitigala Vithanage Don Sisira Jagathpri Weerasena, Rukesh Maharjan, and Muhammad Iqbal Choudhary. 2020. “Investigation of β-Lactamase Enzyme Inhibitory, Anti-Bacterial and Anti-Fungal Bio-Activities of Dillenia Retusa Thumb: An Endemic Medicinal Plant to Sri Lanka”. South Asian Research Journal of Natural Products 3 (4), 1-12. https://journalsarjnp.com/index.php/SARJNP/article/view/30112.