Mackenzie, Norman, Postgate, Richmond and Scupham, John <br/><br/>
Open learning  : systems and problems in post-secondary education 

 - Paris  ; The Unesco Press  , 1975 
 - 498p. 
<br/><br/><label>ISBN: </label>9231013327  F 65 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance Education<br/>Education<br/>Open Learning
<br/><br/><label>Dewey Class. No.: </label>374.4  / MAC