Routledge Handbook of Research Methods in Military Studies/ 
Soeters, Joseph 
 - 1 
 - London:  Routledge,  2014. 
 - 336 
<br/><br/><label>ISBN: </label>0415635330 
<br/><br/><label>Dewey Class. No.: </label>355.0072  / SOE/R