Islam, M. E., M. S. Parvin, M. R. Islam, M. S. Islam, and S. M. R. Hasan. 2011. “Antioxidant Activity of the Ethanol Extract of <i>Manilkara zapota</I> Leaf”. Journal of Scientific Research 4 (1):193. https://doi.org/10.3329/jsr.v4i1.7148.