William Wiersma  <br/><br/>
Research methods in education :  an introduction/ 
by William Wiersma  
 - 4th. 
 - Boston:  Allyn and Bacon,  1986. 
 - 466p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education Research Methods <br/>Education
<br/><br/><label>Dewey Class. No.: </label>370.7  / WIL/R