Jhon Alexander Calderón Sanmartín
Blog: [http://jcalderon.wordpress.com]
Email: MailTo(j.calderon AT SPAMFREE ieee DOT org)
Loja - Ecuador
...
Blog: [http://jcalderon.wordpress.com]
Email: MailTo(j.calderon AT SPAMFREE ieee DOT org)
Loja - Ecuador
...