World communications :
World communications : a 200-country survey of press, radio, television and film.
- Paris ; UNESCO, 1975.
- 533 p.; 22 cm. fot.
0716102617 (Gower Press) 089059001X (Unipub) 9231011804 (the UNESCO press)
OC 058.7: 659.3 (100) =20 WOR
0716102617 (Gower Press) 089059001X (Unipub) 9231011804 (the UNESCO press)
OC 058.7: 659.3 (100) =20 WOR