“PEG-400 Nanoencapsulated Gotu Kola Leaf Extracts As an Alternative Treatment for Cognitive System Impairment: In-Vitro and In-Vivo Assays”. Tropical Journal of Natural Product Research , vol. 9, no. 7, July 2025, pp. 3097 – 3104, https://doi.org/10.26538/tjnpr/v9i7.22.