TY  - BOOK
AU  - Middleton,John
TI  - Approaches to communication planning
T2  - Monographs on communication planning (Ed. de l'UNESCO, Paris)
SN  - 92-3-101801-9
U1  - 384.041 21E
PY  - 1980///
CY  - Paris
PB  - Ed. de l'UNESCO
ER  -