Addisu, M. T., and A. M. Bikila. “Heavy Metal Resistance Properties of Bacteria from Different Soil Types in Horo Guduru Wollega, Ethiopia”. International Journal of Scientific Reports, vol. 5, no. 11, Oct. 2019, pp. 320-3, doi:10.18203/issn.2454-2156.IntJSciRep20194647.