Creswell, John W. <br/><br/>
Educational research   planning, conducting, and evaluating quantitative and qualitative research  
John W. Creswell 
 - 4th. ed. 
 - 650 S.. graph. Darst. 
<br/><br/> References. S. 631 - 638 
<br/><br/><label>ISBN: </label>978-0-13-261394-1 0-13-261394-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forschungsmethode<br/>Empirische Forschung<br/>Pädagogik<br/>Planung<br/>Evaluation<br/>Qualitative Sozialforschung<br/>Methode<br/>Bildungsforschung