Open educational resources not only save students from triple-digit (or more!) textbook costs, but they also allow instructors to mix-and-match content for a more personalized, engaging learning experience. Here are 16 resources that offer a wide range of content and tools to help implement OER in just about any course.
https://campustechnology.com/articles/2014/07/02/16-oer-sites-every-educator-should-know.aspx
