00493nam a2200133Ia 4500 20260716043725.0 08.16.01 P187 National communication policies relating to children's television programs, violence, tobacco advertising and gender issues : Australia, Canada, Great Britain, Spain, United States of America PAHO WashingtonUS 1996 1 v. (various pagings) 8/18/06 JOYD COMMUNICATION POLICY M P187 53040 53040