Walliman.N. <br/><br/>
Social Research methods. 
Nicholas Walliman 
 - London:  Sage,  2006. 
 - 223p.:  ill.;  23 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412910613 
<br/><br/><label>LC Class. No.: </label>DUCE H62.W255