compiling data on tourism enables better knowledge of volume represented by this sector of its characteristics of profile of the various travel patterns which contributes just 
Compiling data on tourism enables better knowledge of the volume represented by this sector, of its characteristics, of the profile of the tourists and of the various travel patterns, which contributes, not just to the proper formulation of policies for the sector, but also to better understanding of its socio-economic implications.
Compiling data on tourism enables better knowledge of volume represented by this sector, of its characteristics, of profile of of the various travel patterns, which contributes, just to proper formulation policies for the sector, but also to better understanding its socio-economic implications.