Aminzade, Ronald R. <br/><br/>
Silence and voice in the study of contentious politics 

 - Cambridge :   Cambridge University,   2001. 
 - 280 p. 
<br/><br/><label>ISBN: </label>0521001552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POLITICA<br/>VIOLENCIA<br/>MOVIMIENTOS SOCIALES