McGinn, Noel F, <br/><br/>
Types of research useful for educational planning / 
Noel F. McGinn. 
 - 71 hojas 
<br/><br/> ´Development discussion paper No. 66, june 1979. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planificación educativa.
<br/><br/><label>Dewey Class. No.: </label>378.1  / M145t 1979