Nachmias C.Frankfort , Nachmias. David <br/><br/>
Research Methods In The Social  Sciences 

 - 
 - Britain  St Martin's Press  1996 
 - xxii, 600P 
<br/><br/><label>ISBN: </label>978-0-340--66226-7 
<br/><br/><label>LC Class. No.: </label>H 62  / F73 1996