Kirk, Jerome. <br/><br/>
Reliability and Validity in Qualitative Research:   Qualitative Research Methods, Volume 1 

 - Newbury Park:   Sage,  1986. 
 - 87 p.;  ill.;  21.5 Cm. 
<br/><br/><label>ISBN: </label>9780803924703 
<br/><br/><label>Dewey Class. No.: </label>306