Communication technology : today and tomorrow :
Tooley, Rod.
Communication technology : today and tomorrow : student workbook / by Rod Tooley, Roger Bailey. - New York, N.Y. : Glencoe/McGraw-Hill, 1997. - 189 p. : ill.
Includes index. Contents : Introduction to communication technology--Data communication systems.
0028387600
Communication.
Communication technology : today and tomorrow : student workbook / by Rod Tooley, Roger Bailey. - New York, N.Y. : Glencoe/McGraw-Hill, 1997. - 189 p. : ill.
Includes index. Contents : Introduction to communication technology--Data communication systems.
0028387600
Communication.