Mullins, Elaine.
Information processing : student's book / Elaine Mullins. - London : Pitman, c1985. - xii, 196 p. : ill. ; 25 cm.
0273020641
Electronic office machines.
Office practice--Automation.
651.2 / MUL
Information processing : student's book / Elaine Mullins. - London : Pitman, c1985. - xii, 196 p. : ill. ; 25 cm.
0273020641
Electronic office machines.
Office practice--Automation.
651.2 / MUL