Isaac, Stephen <br/><br/>
Handbook in research and evaluation/ 
by Stephen Isaac y William B. Michael 
 - San Diego, California :  EdITS Publishers 
 - 234 p. 
<br/><br/><label>ISBN: </label>0-912736-25-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.EDUCACIÓN 2.INVESTIGACIÓN EDUCATIVA 3.EVALUACIÓN