“Cytotoxic Activity of N-Hexane, Ethyl Acetate, and Ethanol Extract of Hibiscus Tiliaceus Against A549 Lung Cancer Cells”. Tropical Journal of Natural Product Research 9, no. 7 (July 31, 2025): 3021 – 3025. Accessed January 2, 2026. https://www.tjnpr.org/index.php/home/article/view/6872.