Nwankwo, D. O. L., F. . Onyegbule, E. O. Nwankwo, and F. B. C. Okoye. “Isolation, Antimicrobial Properties and Characterization of Endophytic Secondary Metabolites Obtained from Azadirachta Indica”. Journal of Current Biomedical Research, vol. 1, no. 3, Dec. 2021, pp. 39-56, https://journals.unizik.edu.ng/jcbr/article/view/782.