OCDE
Trends of change in telecommunications policy
Trends of change in telecommunications policy. / OCDE
. - Lisboa : OCDE, 1987
. - 353 p. ; 23 cm
. - (ICCP; 13)
. - DGI
. - ISBN 92-64-12940-5
TELECOMUNICAÇÃO /
OCDE /
IND/348 (Biblioteca Economia) - 300100040421