D. C. Urama, “Effects of Oven-Drying on the Phytochemical and Phenolic Acid Contents of Ethanol Extracts of the Root, Stalk and Leaves of Cymbopogon citratus”, TJNPR, vol. 8, no. 8, pp. 8131–8137, Sep. 2024, doi: 10.26538/tjnpr/v8i8.31 .