- Author: Llabrés Fuster A. Esteve F. Melià J.
- Language: Catalan
- Author: Llabrés A. Pons E.
- Language: Catalan
- Author: Camp C. et al.
- Language: Catalan
- Author: Dorandeu J. Prudon M.
- Language: Catalan
- Year: 2009
- Author: Hernando L. Aljama P.
- Language: Catalan
- Author: Pompeu Fabra
- Language: Catalan
- Year: 2006
- Author: Badia Joan Brugarolas Camps Núria Grifoll Jordi
- Language: Catalan
- Year: 2008
- Author: Badia Joan Brugarolas Camps Núria Grifoll Jordi
- Language: Catalan
- Year: 2012
- Author: Montserrat Costa Maria Lluïsa Sabater
- Language: Catalan
- Year: 1996