We have maintained this certification for over 50 years by following rigorous guidelines for medical care, facility maintenance and record keeping. (veterinarians.com)
We have rigorous guidelines for speakers and their topics, and have asked for revisions of their speeches if they are too much of an ad for them. (bitcoinmagazine.com)
The CCSS provides more rigorous guidelines for what students should be able to know and do in English Language Arts and Mathematics. (ncpolicywatch.com)