You also have to take note that different certification levels require a specific knowledge and skills development. (costaricajourneys.com)
We can then see if these changes, say from year one to year three, tend to be greater or smaller for teachers from different certification groups. (educationnext.org)
You have to work with the customer's goals in mind because there are so many different certification standards and organizations trying to claim they have the best answer for sustainability. (fooddrink-magazine.com)