00773nam a2200169Ia 4500 488 20261006003445.0 120911s9999 xx 000 0 und d 0534116701 005.36 DUF Duffy, Tim. 662 Four software tools : DOS for IBM PC and MS DOS, word processing using WordStar 5.5, spreadsheets using Lotus 1-2-3 release 2.01, database management using dBase III plus / Tim Duffy. 2nd ed. Belmont, Calif. : Wadsworth, c1990. 1 v. (various pagings) : ill. ; 28 cm. PC-DOS (Computer file) MS-DOS (Computer file) WordStar (Computer file) Lotus 1-2-3 (Computer file) dBase III plus (Computer file) 887 488 488 0 0 0 0 NU NU 2012-09-11 0 005.36 DUF 291 2012-09-11 00:00:00 2012-09-11 OS