Campbell, Mary
1-2-3 : the pocket reference / Mary Campbell. - 4th ed - Berkeley : Osborne McGraw-Hill, c1992. - 220 p.
Lotus 1-2-3 (Computer program)
1-2-3 : the pocket reference / Mary Campbell. - 4th ed - Berkeley : Osborne McGraw-Hill, c1992. - 220 p.
Lotus 1-2-3 (Computer program)