Graziano, Antony, M. <br/><br/>
Research  methods: a process  of  inquiry. 

 - third edition. 
 - New  York :  Longman,  1997. 
 - xv, 464 pages. 
<br/><br/> Includes index and glossary. 
<br/><br/><label>ISBN: </label>0673980413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology.