1 “...Résultats du PISA 2009 : Tendances dans l'apprentissage : L'évolution de la performance des élèves...”

2 “... on the current situation of the region, analysing its evolution over the last twenty years, and evaluating...”

3 “... at El Colegio de México. Its purpose is to follow the evolution of reading -and, secondarily, also...”

4 “... previous works, and it provides certain new materials that help to know the evolution of this University....”

5