Robson, Colin. <br/><br/>
Real world research : a resource for social scientists and practitioner-researchers/  eng. 
Robson, Colin. 
 - Oxford :   Blackwell,   1993. 
 - 510p. :   ill;  24cm. 
<br/><br/><label>ISBN: </label>0631176896 
<br/><br/><label>Dewey Class. No.: </label>001.42  / ROB