Children, risk and safety on the internet:  research and policy challenges in compartive perspective 

 - Bristol, U.K. ;   Chicago, USA ;  The Policy Press,  2012. 
 - 382 p. 
<br/><br/><label>ISBN: </label>9781847428820 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet e crianças<br/>Internet