MERTLER, Craig A. <br/><br/>
Action research:   improving schools and empowering educators  xxi, 337p. : ill. 
Craig A. Mertler. 
 -  5th ed. 
 -  Sage Publications,   2017.  
<br/><br/> “It includes references and index”. 
<br/><br/><label>ISBN: </label>978-1-4833-8905-9