Communications technology
By: by John Hilvert and Linda Bruce.
Contributors: Bruce, Linda, 1953-
Series: How does it work?
Publisher: Smart Apple
Published: 2006
Place of publication: North Mankato, MN
Language: eng
Number of pages: 32
ISBN-13: 9781583407967
Subjects: Telecommunication -- Juvenile literature
Genres: Juvenile literature.
Notes: Includes index.