al-khafaji, Khlood A. A. 2016. “Determination of Heavy Metals Tolerance and Their Damaging Effects on a Local Soil Thermophilic Isolate Bacillus Stearothermophilus”. Journal of Biotechnology Research Center (JOBRC) 10 (1):50-56. https://doi.org/10.24126/jobrc.2016.10.1.464.