mathematical models in educational planning 

 - Paris  OECD  1967 
 - 295p  27cm 
 - Technical reports .
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Educational planning<br/> OECD countries<br/> Mathematical models.
<br/><br/><label>Dewey Class. No.: </label>370.18 O28m