Are divided into two parts:
1. with regard to the morphosyntactic study of the language, a text in English:
R. Murphy English Grammar in Use for intermediate students with answers, Cambridge University Press;
Texts or manuals, however, carrying out a course of English language from level A1 to B1 can be adopted, according to one’s own personal choice
2. with regard to the essential terminology of Business English,
a Glossary, inserted as didactic material in the Portal, dealing with the necessary lexical and terminological notions on Technical English