LLRX> Open Educational Resources (OER) Sources 2018
https://www.llrx.com/2017/10/open-educational-resources-oer-sources-2018/

“Open educational resources (OER) are freely accessible, openly licensed text, media, and other digital assets that are useful for teaching, learning, and assessing as well as for research purposes.” [Wikipedia] Costs continue to rise for students who are pursing college and post graduate degree programs. By leveraging best practice sites, services and non-traditional options to expand knowledge, skills and abilities in many disciplines, students can choose from a wide range of options to complete their respective goals. This guide, Open Educational Resources (OER) Sources 2018, is a comprehensive listing of useful open educational resources, sources and sites on the Internet that can assist you in optimizing your learning opportunities. Also you may read this freely available publication in PDF format from Marcus P. Zillman at http://www.OERSources.com/