Read the following text and answer questions 39 and 40 according to it.
In questions 39 and 40, judge
correct or incorrect
grammar rules of English Language, and then
alternative
Mark the incorrect alternative concerning the sources of information mentioned along the text.
One may find information on some official governmental web sites.
There is a main source for internal markets in Brazil.
There is no specific source mentioned along the text on external markets.
The National Institute of Metrology, Standardization and Industrial Quality may be consulted as a source of information.
The World Trade Organization is also one of the sources mentioned in the text..
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