Campbell, Mary.
Teach yourself dBase IV / Mary Campbell. - Berkeley : Osborne McGraw-Hill, c1989. - xv, 688 p. : ill.
0078815029
dBase IV (Computer programme).
Database management.
Teach yourself dBase IV / Mary Campbell. - Berkeley : Osborne McGraw-Hill, c1989. - xv, 688 p. : ill.
0078815029
dBase IV (Computer programme).
Database management.