Two studies in validation.
Subtitle: An internal poll on access to radio and television in Czechoslovakia. An internal poll on the hopes and wishes of Polish teenagers.
Published: 1971
Place of publication: Munich
Language: eng
Subjects: Radio audiences -- Czechoslovakia.; Television viewers -- Czechoslovakia.; Youth -- Poland.
Other titles: Internal poll on access to radio and television in Czechoslovakia.; Internal poll on the hopes and wishes of Polish teenagers.