2013. Influence of culture medium pH on the production of CGTase by Bacillus firmus Strain No. 37 - doi: 10.4025/actascitechnol.v35i3.15882. Acta Scientiarum. Technology. 35, 3 (fev. 2013), 413–416. DOI:https://doi.org/10.4025/actascitechnol.v35i3.15882.