Dalen, Deobold B. Van and Meyer, William J. <br/><br/>
Understanding educational research 

 - London  Mcgraw-Hill  1966 
 - viii,525p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Educational Research
<br/><br/><label>Dewey Class. No.: </label>370.1  / DAL