por Whitten, Jeffrey L [autor] | Bentley, Lonnie D [autor] | Barlow, Victor M [autor] | Whitten, Jeffrey L. Systems analysis & design methods.
por Souris, Jean-paul [autor] | Souris, Jean-Paul. Maintence, source de profits.
por Lyonnet, Patrick [autor] | Lyonnet, Patrick. Outils de la qualite totale.
por Cohen, Gerald J [autor] | Diorki | Cohen, Gerald J. Nature of management.