"Open Educational Resources" by Ron Mader is licensed under CC BY 2.0
OER are teaching, learning, and research resources that reside in the public domain or have been released under an intellectual property license that permits their free use and re-purposing by others. ~ William & Flora Hewlett Foundation
For a more comprehensive overview on OER, see:
Pure Diversity / Diversidad Pura ©1993 Mirta Toledo. Mixed media on cotton paper. Made in Fort Worth, Texas. This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
This is a sample of several OER books and course materials. Additional OER may be found by searching the resources listed on the ACC Libraries primary Open Educational Resources Guide.