The 80/20 principle : the secret of achiving more with less.
Koch, Richard.
The 80/20 principle : the secret of achiving more with less. - New York Doubleday 1998 - 277p.
Management
650.1 KOC
The 80/20 principle : the secret of achiving more with less. - New York Doubleday 1998 - 277p.
Management
650.1 KOC