Butcher, Neil; <br/><br/>
A basic guide to open educational resources(OER) / 
Neil, Butcher 
 - Paris:  UNESCO,  2011. 
 - 133p. :  ill 
<br/><br/><label>ISBN: </label>9781894975414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational facilities