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    Sayed Reza Hashemi and  Amir Heidarinasab,  Spent Caustic Bioregeneration by using Thiobacillus denitrificans Bacteria.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/2962.