Gray, David E. <br/><br/>
Doing reseaerch in the real world: 
David E. Gray 
 - 3rd ed. 
 - Los Angeles:   sage publishers,   2014 
 - xxii,729p.:  ill. 
<br/><br/>includes bibliographic refencesand index 
<br/><br/><label>ISBN: </label>9781446295311 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Research methodology
<br/><br/><label>LC Class. No.: </label>Q180.55.M4 GRA 2014