K. Muthu, B. Akilandaeaswari, and S. M. Nagasundari, “Green Synthesis of Silver Nanoparticles using Polyalthia longifolia Stem Bark Extract and its Catalytic Reduction of 4-Nitrophenol”, ajc, vol. 31, no. 11, pp. 2439–2442, Sep. 2019.