Código QR (código de barras bidimensional)

Videoscope

Detalhes bibliográficos
Autor principal:	Smolinski, Frank
Formato:	Livro
Idioma:	English
Publicado em:	Washington, D.C. English Language Programs Division, Bureau of Educational and Cultural Affairs, United States Information Agency 1985.
Assuntos:	English language > Study and teaching > Audio-visual aids. English language > Study and teaching > Foreign speakers. Video tapes in education.