Hello everyone, it’s really nice to be part of such an interesting forum, thanks to the organizers for open this theme to be discussed in the WEA context.
Also, I see that my paper is the only one in Spanish, so I’m afraid that nobody is going to read it. Please, let me know if you want some comment or clarification if you have any trouble with the language.
Download the paper for offline reading
It appears you don't have a suitable plugin to enable you to view PDFs. Please download the paper for offline reading