por Leenders, Michiel R [autor] | Fearon, Harold E | England, Wilbur B [autor] | García Mendoza, Alberto [traductor].
por Baily, Peter J. H [autor] | Fearon, Harold E [autor] | England, Wilbur B [autor] | Leenders, Michel R [autor] | García Mendoza, Alberto [traductor] | Baily, Peter J. H. Purchasing and materials management.