Johnstone, James N. <br/><br/>
Indicators of education systems / 
James N. Johnstone. 
 - London :  Kogan Page,  1981. 
 - xvii, 317 p. :  ill., 1 map. 
<br/><br/> At head of title: International Institute for Educational Planning. 
<br/><br/><label>ISBN: </label>0850384478 (pbk.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Social aspects.<br/>Social indicators.<br/>Educational planning.