Ajayi, A'isha. Understanding electronic communications : printing in the information age / by A'isha Ajayi, Pamela Groff. - Englewood Cliffs, NJ. : Prentice Halle PTR, c1998. - 134 p. : ill. ; 23 cm. Includes index. ISBN: 0130818135 Subjects--Topical Terms: Printing industry--Automation.Telecommunication. LC Class. No.: TK5101 / .A384 1998