What languages are more advantageous as a mother tongue?

Lingvarum Arena - Didactics Magazine

And here is the fifth number of Lingvarum Arena, the Didactics Magazine of Faculdade de Letras da Universidade do Porto.

Lingvarum Arena - Didactics Magazine

If you are interested in Didactics, check the fourth number of Lingvarum Arena, the Language Didactics magazine of Faculdade de Letras da Universidade do Porto.