<http://schema.org/url>
<http://www.businessweek.com/articles/2014-03-25/student-loan-debt-piles-up-for-graduate-students-but-not-mbas>
<http://www.bloomberg.com/bw/articles/2014-03-25/student-loan-debt-piles-up-for-graduate-students-but-not-mbas>