Academia.edu no longer supports Internet Explorer.
To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser.
Followers
15
Following
10
Mentions
Public Views
Related Authors
Universidad Santo Tomás, Colombia
NACIONAL FEDERICO VILLARREAL
Servicio Nacional de Aprendizaje SENA
Enter the email address you signed up with and we'll email you a reset link.
Uploads
Papers by Omar Jair Purata Sifuentes