- Professorat editor: Montse Ríos
- Professorat editor: Lluís Felip Lazaro
- Professorat editor: VANESA CASARES SÁNCHEZ
- Professorat editor: Lluís Felip Lazaro
- Professorat editor: Joaquim Llurda Aldevert
- Professorat editor: Inés Martínez
- Professorat editor: Elena Pérez
- Professorat editor: Montse Ríos
- Professorat editor: Maite Santacreu Massó
- Professorat editor: Anna Segarra
- Professorat editor: Juan Manuel Villamayor Milagro
WELCOME TO YOUR 4th LEVEL ENGLISH COURSE
- Professorat editor: Anna Segarra
- Professorat editor: Anna Segarra
- Professorat editor: Elena Pérez
Welcome to 4th level!
- Professorat editor: VANESA CASARES SÁNCHEZ
- Professorat editor: Maite Santacreu Massó