Carr-Hill, Roy A <br/><br/>
Indicators of performance of educational systems : 
[by Roy Carr-Hill and Olav Magnussen] 
 - Paris :  Organisation for Economic Co-operation and Development,  1973. 
<br/><br/><label>ISBN: </label>9264111085 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational indicators.<br/>Education--Economic aspects.