5. Mistakes to avoid

5.1 Don't be satisfied with documentary data

Activities often deviate from documents. This is all the more true the older the document. While the documents you have collected enable you to prepare your work and find valuable information, the field visit enables you to identify situations that have not been described or that have evolved.

5.2 Don't collect obsolete data

For internal documents, be aware of potential discrepancies between versions (paper or computerized) and, if possible, request...