English Open textbook Cited by user Nodakprof on 25 Jun 2021 An open textbook is a textbook licensed under an open copyright license, and made available online to be freely used by students, teachers and members of the public.
English Open educational resources Cited by user Josve05a on 28 Feb 2019 Open educational resources (OER) are freely accessible, openly licensed text, media, and other digital assets that are useful for teaching, learning, and assessing as…