P. Shetty, N. Supraja, M. Garud, and T. N. V. K. V. Prasad, “Synthesis, characterization and antimicrobial activity of Alstonia scholaris bark-extract-mediated silver nanoparticles”, J. Nanostruct. Chem., vol. 4, no. 4 (December 2015), Oct. 2014, doi: 10.1007/s40097-014-0132-z.