Martin,Dave 1938- Communicating with computers / Dave martin - Canada : D. C. Health c1994. - 142 p. : ill. ; 26 cm. ISBN: 0669955000 LCCN: 83000807 Subjects--Topical Terms: Computers--Juvenile literature.Electronic --data processing LC Class. No.: QA76.23 / .M37 1994 Dewey Class. No.: 001.64