Vasa Padmaja, Gorrepati Rosaiah, and Kakumanu Babu. “Rauwolfia Tetraphylla Mediated Synthesis of Herbal Nano Powders by Ball Milling and GC-MS Analysis, Evaluation of Their Antimicrobial Activity”. International Journal of Research in Pharmaceutical Sciences, Vol. 12, no. 2, Apr. 2021, pp. 967-7, doi:10.26452/ijrps.v12i2.4611.