“TLC-Densitometry Analysis Method of Asiaticoside Assay and Antioxidant Activity of Centella asiatica (L.) Urban Extract: http://www.doi.org/10.26538/tjnpr/v7i9.23” (2023) Tropical Journal of Natural Product Research, 7(9), pp. 4003–4009. Available at: https://tjnpr.org/index.php/home/article/view/2651 (Accessed: 10 January 2026).