…d move|అంతర్జాల స్వేచ్చా వనరులు|reason=Because I found a page with this name in wiki books}} ↑ "UNESCO Recommendation on OER" . UNESCO (in ఇంగ్లీష్). 2020-04-14 . Retrieved 2022-04-05 . ↑ Blicher, H., Essmiller, K., Reed, M., & Santiago, A. (2021, February 24). Open educational r…