Ndu, Chukwukaike Favour, et al. “Comparative Analysis of Antioxidant Properties in Green and Reddish-Brown Leaves of Terminalia Catappa Using DPPH and Nitric Oxide Assays”. UMYU Scientifica, vol. 4, no. 2, June 2025, pp. 56-61, https://doi.org/10.56919/usci.2542.007.