TY  - BOOK
AU  - Fonseca,Jaime
TI  - Communication policies in Costa Rica: a study 
SN  - 9231013483
PY  - 1977///
CY  - Paris
PB  - Unesco
KW  - Communication and traffic
KW  - Costa Rica
KW  - Mass media
N1  - Includes bibliographical references
ER  -