Platt, William J.  1916- <br/><br/>
Research for educational planning :  notes on emergent needs / 
William J. Platt. 
 - [Paris] :  Unesco, International Institute for Educational Planning,  1970. 
 - 67 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.<br/>Educational planning.