Bibliographic research represents an essential step of the thesis project. The conducted research is usually large
and requires different approaches. The PhD students are faced with the dispersion of resources of a multidisciplinary
and specialised nature (Brown & Swan, 2007), they must evaluate and validate a considerable informational mass.
Finally, they must communicate and disseminate the results of their research work (Sparks, 2005; Meadows, 2006;
Heimeriks et al., 2008). (See Figure 1)