Envié una solicitud electrónica. El proceso duró 2 semanas. Acudí a una entrevista en NCH (Irving, TX) en feb 2011
Entrevista
To make a quality decision it is necessary to get as much quality data as possible. View your list of questions as the starting point. Each question should generate many probing questions. The purpose of your probing questions is to get more and better information.
