Sax,Gilbert.     <br/><br/>
Foundations of educational research.  
  
Gilbert,Sax. 
 - 
 - New Jersey,,  .Prentice- Hall.  1970 
 - Xiv,434p, 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education. Education- Research. <br/>
<br/><br/><label>Dewey Class. No.: </label>370.78/SAF