“Determination of the sources of heavy metals pollution using neem tree (azadirachtaindica) stem barks in Maiduguri, Borno State, Nigeria”, Proc. Nig. Soc. Physi. Sci. Conf., vol. 1, no. 1, p. 119, Aug. 2024, doi: 10.61298/pnspsc.2024.1.119.